342139188 has 24 divisors (see below), whose sum is σ = 824078080. Its totient is φ = 110367360.

The previous prime is 342139183. The next prime is 342139199. The reversal of 342139188 is 881931243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342139181) 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 7 ways as a sum of consecutive naturals, for example, 459493 + ... + 460236.

Almost surely, 2^342139188 is an apocalyptic number.

It is an amenable number.

342139188 is an abundant number, since it is smaller than the sum of its proper divisors (481938892).

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

342139188 is a wasteful number, since it uses less digits than its factorization.

342139188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919767 (or 919765 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 342139188 is about 18497.0048386218. The cubic root of 342139188 is about 699.4139230478.

The spelling of 342139188 in words is "three hundred forty-two million, one hundred thirty-nine thousand, one hundred eighty-eight".