139702156 has 48 divisors (see below), whose sum is σ = 273030912. Its totient is φ = 62014400.

The previous prime is 139702153. The next prime is 139702183. The reversal of 139702156 is 651207931.

139702156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (139702153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615315 + ... + 615541.

It is an arithmetic number, because the mean of its divisors is an integer number (5688144).

Almost surely, 2^139702156 is an apocalyptic number.

It is an amenable number.

139702156 is a deficient number, since it is larger than the sum of its proper divisors (133328756).

139702156 is a wasteful number, since it uses less digits than its factorization.

139702156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 139702156 is about 11819.5666587232. The cubic root of 139702156 is about 518.8809217915.

The spelling of 139702156 in words is "one hundred thirty-nine million, seven hundred two thousand, one hundred fifty-six".