136276280 has 64 divisors (see below), whose sum is σ = 352512000. Its totient is φ = 46445184.

The previous prime is 136276271. The next prime is 136276319. The reversal of 136276280 is 82672631.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 136276280.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48761 + ... + 51479.

It is an arithmetic number, because the mean of its divisors is an integer number (5508000).

Almost surely, 2^136276280 is an apocalyptic number.

136276280 is a gapful number since it is divisible by the number (10) 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 136276280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176256000).

136276280 is an abundant number, since it is smaller than the sum of its proper divisors (216235720).

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

136276280 is a wasteful number, since it uses less digits than its factorization.

136276280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916 (or 2912 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 136276280 is about 11673.7431871701. The cubic root of 136276280 is about 514.6043147846.

The spelling of 136276280 in words is "one hundred thirty-six million, two hundred seventy-six thousand, two hundred eighty".