139294446 has 16 divisors (see below), whose sum is σ = 278864208. Its totient is φ = 46385600.

The previous prime is 139294433. The next prime is 139294451. The reversal of 139294446 is 644492931.

It is a junction number, because it is equal to n+sod(n) for n = 139294398 and 139294407.

It is a congruent number.

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, 4575 + ... + 17306.

It is an arithmetic number, because the mean of its divisors is an integer number (17429013).

Almost surely, 2^139294446 is an apocalyptic number.

139294446 is an abundant number, since it is smaller than the sum of its proper divisors (139569762).

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

139294446 is a wasteful number, since it uses less digits than its factorization.

139294446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22947.

The product of its digits is 186624, while the sum is 42.

The square root of 139294446 is about 11802.3068084167. The cubic root of 139294446 is about 518.3756585912.

The spelling of 139294446 in words is "one hundred thirty-nine million, two hundred ninety-four thousand, four hundred forty-six".