342138852 has 144 divisors (see below), whose sum is σ = 1020801600. Its totient is φ = 95489280.

The previous prime is 342138827. The next prime is 342138859. The reversal of 342138852 is 258831243.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342138859) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 277774 + ... + 279002.

It is an arithmetic number, because the mean of its divisors is an integer number (7088900).

Almost surely, 2^342138852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342138852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510400800).

342138852 is an abundant number, since it is smaller than the sum of its proper divisors (678662748).

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

342138852 is a wasteful number, since it uses less digits than its factorization.

342138852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306 (or 1301 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 342138852 is about 18496.9957560681. The cubic root of 342138852 is about 699.4136940931.

The spelling of 342138852 in words is "three hundred forty-two million, one hundred thirty-eight thousand, eight hundred fifty-two".