139802156 has 24 divisors (see below), whose sum is σ = 272561520. Its totient is φ = 62298432.

The previous prime is 139802149. The next prime is 139802167. The reversal of 139802156 is 651208931.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44846 + ... + 47861.

It is an arithmetic number, because the mean of its divisors is an integer number (11356730).

Almost surely, 2^139802156 is an apocalyptic number.

It is an amenable number.

139802156 is a deficient number, since it is larger than the sum of its proper divisors (132759364).

139802156 is a wasteful number, since it uses less digits than its factorization.

139802156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92753 (or 92751 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 139802156 is about 11823.7961755098. The cubic root of 139802156 is about 519.0046987322.

The spelling of 139802156 in words is "one hundred thirty-nine million, eight hundred two thousand, one hundred fifty-six".