156139052 has 6 divisors (see below), whose sum is σ = 273243348. Its totient is φ = 78069524.

The previous prime is 156139021. The next prime is 156139079. The reversal of 156139052 is 250931651.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19517378 + ... + 19517385.

It is an arithmetic number, because the mean of its divisors is an integer number (45540558).

Almost surely, 2^156139052 is an apocalyptic number.

It is an amenable number.

156139052 is a deficient number, since it is larger than the sum of its proper divisors (117104296).

156139052 is a wasteful number, since it uses less digits than its factorization.

156139052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39034767 (or 39034765 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 156139052 is about 12495.5612919148. The cubic root of 156139052 is about 538.4811595383.

The spelling of 156139052 in words is "one hundred fifty-six million, one hundred thirty-nine thousand, fifty-two".