139468620 has 48 divisors (see below), whose sum is σ = 391049568. Its totient is φ = 37140480.

The previous prime is 139468601. The next prime is 139468633. The reversal of 139468620 is 26864931.

139468620 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65980 + ... + 68060.

It is an arithmetic number, because the mean of its divisors is an integer number (8146866).

Almost surely, 2^139468620 is an apocalyptic number.

139468620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139468620 is an abundant number, since it is smaller than the sum of its proper divisors (251580948).

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

139468620 is a wasteful number, since it uses less digits than its factorization.

139468620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210 (or 3208 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 139468620 is about 11809.6833149750. The cubic root of 139468620 is about 518.5916278534.

The spelling of 139468620 in words is "one hundred thirty-nine million, four hundred sixty-eight thousand, six hundred twenty".