156734538 has 8 divisors (see below), whose sum is σ = 313469088. Its totient is φ = 52244844.

The previous prime is 156734537. The next prime is 156734561. The reversal of 156734538 is 835437651.

It is a sphenic number, since it is the product of 3 distinct primes.

156734538 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 156734538.

It is not an unprimeable number, because it can be changed into a prime (156734533) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 13061206 + ... + 13061217.

It is an arithmetic number, because the mean of its divisors is an integer number (39183636).

Almost surely, 2^156734538 is an apocalyptic number.

156734538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156734538 is a wasteful number, since it uses less digits than its factorization.

156734538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26122428.

The product of its digits is 302400, while the sum is 42.

The square root of 156734538 is about 12519.3665175200. The cubic root of 156734538 is about 539.1648475830.

The spelling of 156734538 in words is "one hundred fifty-six million, seven hundred thirty-four thousand, five hundred thirty-eight".