156934436 has 6 divisors (see below), whose sum is σ = 274635270. Its totient is φ = 78467216.

The previous prime is 156934397. The next prime is 156934447. The reversal of 156934436 is 634439651.

It can be written as a sum of positive squares in only one way, i.e., 125574436 + 31360000 = 11206^2 + 5600^2 .

It is a junction number, because it is equal to n+sod(n) for n = 156934393 and 156934402.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 19616801 + ... + 19616808.

It is an arithmetic number, because the mean of its divisors is an integer number (45772545).

Almost surely, 2^156934436 is an apocalyptic number.

It is an amenable number.

156934436 is a deficient number, since it is larger than the sum of its proper divisors (117700834).

156934436 is a wasteful number, since it uses less digits than its factorization.

156934436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39233613 (or 39233611 counting only the distinct ones).

The product of its digits is 233280, while the sum is 41.

The square root of 156934436 is about 12527.3475245161. The cubic root of 156934436 is about 539.3939657442.

The spelling of 156934436 in words is "one hundred fifty-six million, nine hundred thirty-four thousand, four hundred thirty-six".