156870136 has 8 divisors (see below), whose sum is σ = 294131520. Its totient is φ = 78435064.

The previous prime is 156870127. The next prime is 156870139. The reversal of 156870136 is 631078651.

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

It is a junction number, because it is equal to n+sod(n) for n = 156870095 and 156870104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156870139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9804376 + ... + 9804391.

It is an arithmetic number, because the mean of its divisors is an integer number (36766440).

Almost surely, 2^156870136 is an apocalyptic number.

It is an amenable number.

156870136 is a deficient number, since it is larger than the sum of its proper divisors (137261384).

156870136 is a wasteful number, since it uses less digits than its factorization.

156870136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19608773 (or 19608769 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 156870136 is about 12524.7808763267. The cubic root of 156870136 is about 539.3202879061.

The spelling of 156870136 in words is "one hundred fifty-six million, eight hundred seventy thousand, one hundred thirty-six".