139973304 has 64 divisors (see below), whose sum is σ = 371404800. Its totient is φ = 43835904.

The previous prime is 139973263. The next prime is 139973321. The reversal of 139973304 is 403379931.

139973304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56704 + ... + 59120.

It is an arithmetic number, because the mean of its divisors is an integer number (5803200).

Almost surely, 2^139973304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139973304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185702400).

139973304 is an abundant number, since it is smaller than the sum of its proper divisors (231431496).

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

139973304 is a wasteful number, since it uses less digits than its factorization.

139973304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572 (or 2568 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 39.

The square root of 139973304 is about 11831.0314005162. The cubic root of 139973304 is about 519.2164036055.

The spelling of 139973304 in words is "one hundred thirty-nine million, nine hundred seventy-three thousand, three hundred four".