139973300 has 18 divisors (see below), whose sum is σ = 303742278. Its totient is φ = 55989280.

The previous prime is 139973263. The next prime is 139973321. The reversal of 139973300 is 3379931.

It is a happy number.

139973300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1157776 + 138815524 = 1076^2 + 11782^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 699767 + ... + 699966.

It is an arithmetic number, because the mean of its divisors is an integer number (16874571).

Almost surely, 2^139973300 is an apocalyptic number.

139973300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139973300 is an abundant number, since it is smaller than the sum of its proper divisors (163768978).

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

139973300 is a wasteful number, since it uses less digits than its factorization.

139973300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399747 (or 1399740 counting only the distinct ones).

The product of its (nonzero) digits is 15309, while the sum is 35.

The square root of 139973300 is about 11831.0312314692. The cubic root of 139973300 is about 519.2163986596.

The spelling of 139973300 in words is "one hundred thirty-nine million, nine hundred seventy-three thousand, three hundred".