139106976 has 48 divisors (see below), whose sum is σ = 375034464. Its totient is φ = 45114624.

The previous prime is 139106909. The next prime is 139106983. The reversal of 139106976 is 679601931.

It is a tau number, because it is divible by the number of its divisors (48).

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, 16030 + ... + 23133.

It is an arithmetic number, because the mean of its divisors is an integer number (7813218).

Almost surely, 2^139106976 is an apocalyptic number.

139106976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

139106976 is an abundant number, since it is smaller than the sum of its proper divisors (235927488).

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

139106976 is a wasteful number, since it uses less digits than its factorization.

139106976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39213 (or 39205 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 139106976 is about 11794.3620429424. The cubic root of 139106976 is about 518.1430015189.

The spelling of 139106976 in words is "one hundred thirty-nine million, one hundred six thousand, nine hundred seventy-six".