139156 has 12 divisors (see below), whose sum is σ = 256480. Its totient is φ = 65880.

The previous prime is 139133. The next prime is 139169. The reversal of 139156 is 651931.

139156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 139156.

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, 840 + ... + 991.

2¹³⁹¹⁵⁶ is an apocalyptic number.

It is an amenable number.

139156 is a deficient number, since it is larger than the sum of its proper divisors (117324).

139156 is a wasteful number, since it uses less digits than its factorization.

139156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854 (or 1852 counting only the distinct ones).

The product of its digits is 810, while the sum is 25.

The square root of 139156 is about 373.0361912737. The cubic root of 139156 is about 51.8203862256.

The spelling of 139156 in words is "one hundred thirty-nine thousand, one hundred fifty-six".