139794446 has 24 divisors (see below), whose sum is σ = 231547680. Its totient is φ = 63250880.

The previous prime is 139794439. The next prime is 139794509. The reversal of 139794446 is 644497931.

It is a self number, because there is not a number n which added to its sum of digits gives 139794446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56630 + ... + 59046.

It is an arithmetic number, because the mean of its divisors is an integer number (9647820).

Almost surely, 2^139794446 is an apocalyptic number.

139794446 is a deficient number, since it is larger than the sum of its proper divisors (91753234).

139794446 is a wasteful number, since it uses less digits than its factorization.

139794446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680 (or 2669 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 139794446 is about 11823.4701335945. The cubic root of 139794446 is about 518.9951576305.

The spelling of 139794446 in words is "one hundred thirty-nine million, seven hundred ninety-four thousand, four hundred forty-six".