156138712 has 16 divisors (see below), whose sum is σ = 293113800. Its totient is φ = 77975040.

The previous prime is 156138709. The next prime is 156138781. The reversal of 156138712 is 217831651.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4489 + ... + 18232.

Almost surely, 2^156138712 is an apocalyptic number.

It is an amenable number.

156138712 is a deficient number, since it is larger than the sum of its proper divisors (136975088).

156138712 is a wasteful number, since it uses less digits than its factorization.

156138712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23586 (or 23582 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 156138712 is about 12495.5476870764. The cubic root of 156138712 is about 538.4807686821.

The spelling of 156138712 in words is "one hundred fifty-six million, one hundred thirty-eight thousand, seven hundred twelve".