156134728 has 8 divisors (see below), whose sum is σ = 292752630. Its totient is φ = 78067360.

The previous prime is 156134711. The next prime is 156134743. The reversal of 156134728 is 827431651.

It can be written as a sum of positive squares in only one way, i.e., 151733124 + 4401604 = 12318^2 + 2098^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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 as a sum of consecutive naturals, namely, 9758413 + ... + 9758428.

Almost surely, 2^156134728 is an apocalyptic number.

It is an amenable number.

156134728 is a deficient number, since it is larger than the sum of its proper divisors (136617902).

156134728 is a wasteful number, since it uses less digits than its factorization.

156134728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19516847 (or 19516843 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 156134728 is about 12495.3882692776. The cubic root of 156134728 is about 538.4761887254.

The spelling of 156134728 in words is "one hundred fifty-six million, one hundred thirty-four thousand, seven hundred twenty-eight".