139930704 has 120 divisors (see below), whose sum is σ = 406427112. Its totient is φ = 44912640.

The previous prime is 139930699. The next prime is 139930733. The reversal of 139930704 is 407039931.

It can be written as a sum of positive squares in 4 ways, for example, as 20684304 + 119246400 = 4548^2 + 10920^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 808762 + ... + 808934.

Almost surely, 2^139930704 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 139930704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203213556).

139930704 is an abundant number, since it is smaller than the sum of its proper divisors (266496408).

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

139930704 is a wasteful number, since it uses less digits than its factorization.

139930704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 139930704 is about 11829.2309132927. The cubic root of 139930704 is about 519.1637248388.

The spelling of 139930704 in words is "one hundred thirty-nine million, nine hundred thirty thousand, seven hundred four".