139196620 has 12 divisors (see below), whose sum is σ = 292312944. Its totient is φ = 55678640.

The previous prime is 139196611. The next prime is 139196653. The reversal of 139196620 is 26691931.

139196620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 139196620.

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, 3479896 + ... + 3479935.

It is an arithmetic number, because the mean of its divisors is an integer number (24359412).

Almost surely, 2^139196620 is an apocalyptic number.

139196620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139196620 is an abundant number, since it is smaller than the sum of its proper divisors (153116324).

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

139196620 is a wasteful number, since it uses less digits than its factorization.

139196620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6959840 (or 6959838 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 139196620 is about 11798.1617212174. The cubic root of 139196620 is about 518.2542790374.

The spelling of 139196620 in words is "one hundred thirty-nine million, one hundred ninety-six thousand, six hundred twenty".