139100628 has 12 divisors (see below), whose sum is σ = 324568160. Its totient is φ = 46366872.

The previous prime is 139100609. The next prime is 139100641. The reversal of 139100628 is 826001931.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 139100595 and 139100604.

It is a congruent number.

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, 5795848 + ... + 5795871.

Almost surely, 2^139100628 is an apocalyptic number.

It is an amenable number.

139100628 is an abundant number, since it is smaller than the sum of its proper divisors (185467532).

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

139100628 is a wasteful number, since it uses less digits than its factorization.

139100628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11591726 (or 11591724 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 139100628 is about 11794.0929282417. The cubic root of 139100628 is about 518.1351197627.

The spelling of 139100628 in words is "one hundred thirty-nine million, one hundred thousand, six hundred twenty-eight".