152139292 has 6 divisors (see below), whose sum is σ = 266243768. Its totient is φ = 76069644.

The previous prime is 152139283. The next prime is 152139293. The reversal of 152139292 is 292931251.

It is a super-2 number, since 2×152139292² = 46292728340522528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152139293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19017408 + ... + 19017415.

Almost surely, 2^152139292 is an apocalyptic number.

It is an amenable number.

152139292 is a deficient number, since it is larger than the sum of its proper divisors (114104476).

152139292 is a wasteful number, since it uses less digits than its factorization.

152139292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38034827 (or 38034825 counting only the distinct ones).

The product of its digits is 9720, while the sum is 34.

The square root of 152139292 is about 12334.4757488918. The cubic root of 152139292 is about 533.8433005878.

The spelling of 152139292 in words is "one hundred fifty-two million, one hundred thirty-nine thousand, two hundred ninety-two".