139490876 has 24 divisors (see below), whose sum is σ = 279392736. Its totient is φ = 59693760.

The previous prime is 139490867. The next prime is 139490887. The reversal of 139490876 is 678094931.

It is a self number, because there is not a number n which added to its sum of digits gives 139490876.

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, 17906 + ... + 24486.

It is an arithmetic number, because the mean of its divisors is an integer number (11641364).

Almost surely, 2^139490876 is an apocalyptic number.

It is an amenable number.

139490876 is an abundant number, since it is smaller than the sum of its proper divisors (139901860).

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

139490876 is a wasteful number, since it uses less digits than its factorization.

139490876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7349 (or 7347 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 139490876 is about 11810.6255549823. The cubic root of 139490876 is about 518.6192115048.

The spelling of 139490876 in words is "one hundred thirty-nine million, four hundred ninety thousand, eight hundred seventy-six".