342647136 has 144 divisors (see below), whose sum is σ = 1064962080. Its totient is φ = 103864320.

The previous prime is 342647131. The next prime is 342647141. The reversal of 342647136 is 631746243.

It is a happy number.

342647136 is a `hidden beast` number, since 3 + 4 + 2 + 647 + 1 + 3 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (342647131) and next prime (342647141).

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 342647136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342647131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265180 + ... + 266468.

It is an arithmetic number, because the mean of its divisors is an integer number (7395570).

Almost surely, 2^342647136 is an apocalyptic number.

342647136 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342647136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532481040).

342647136 is an abundant number, since it is smaller than the sum of its proper divisors (722314944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342647136 is a wasteful number, since it uses less digits than its factorization.

342647136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389 (or 1378 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 342647136 is about 18510.7302935352. The cubic root of 342647136 is about 699.7598740999.

The spelling of 342647136 in words is "three hundred forty-two million, six hundred forty-seven thousand, one hundred thirty-six".