139308700 has 72 divisors (see below), whose sum is σ = 324166752. Its totient is φ = 51828480.

The previous prime is 139308683. The next prime is 139308739. The reversal of 139308700 is 7803931.

139308700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84282 + ... + 85918.

It is an arithmetic number, because the mean of its divisors is an integer number (4502316).

Almost surely, 2^139308700 is an apocalyptic number.

139308700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139308700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162083376).

139308700 is an abundant number, since it is smaller than the sum of its proper divisors (184858052).

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

139308700 is a wasteful number, since it uses less digits than its factorization.

139308700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711 (or 1704 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 139308700 is about 11802.9106579691. The cubic root of 139308700 is about 518.3933397810.

The spelling of 139308700 in words is "one hundred thirty-nine million, three hundred eight thousand, seven hundred".