139864076 has 12 divisors (see below), whose sum is σ = 267013320. Its totient is φ = 63574560.

The previous prime is 139864061. The next prime is 139864091. The reversal of 139864076 is 670468931.

It is an interprime number because it is at equal distance from previous prime (139864061) and next prime (139864091).

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 3178729 = 139864076 / (1 + 3 + 9 + 8 + 6 + 4 + 0 + 7 + 6).

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, 1589321 + ... + 1589408.

It is an arithmetic number, because the mean of its divisors is an integer number (22251110).

Almost surely, 2^139864076 is an apocalyptic number.

It is an amenable number.

139864076 is a deficient number, since it is larger than the sum of its proper divisors (127149244).

139864076 is a wasteful number, since it uses less digits than its factorization.

139864076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178744 (or 3178742 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 139864076 is about 11826.4143340236. The cubic root of 139864076 is about 519.0813118271.

The spelling of 139864076 in words is "one hundred thirty-nine million, eight hundred sixty-four thousand, seventy-six".