139102704 has 320 divisors, whose sum is σ = 479969280. Its totient is φ = 38154240.

The previous prime is 139102693. The next prime is 139102723. The reversal of 139102704 is 407201931.

139102704 is a `hidden beast` number, since 1 + 391 + 0 + 270 + 4 = 666.

It is a super-2 number, since 2×139102704² = 38699124520223232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 63 ways as a sum of consecutive naturals, for example, 2959609 + ... + 2959655.

It is an arithmetic number, because the mean of its divisors is an integer number (1499904).

Almost surely, 2^139102704 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 139102704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239984640).

139102704 is an abundant number, since it is smaller than the sum of its proper divisors (340866576).

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

139102704 is a wasteful number, since it uses less digits than its factorization.

139102704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 139102704 is about 11794.1809380728. The cubic root of 139102704 is about 518.1376973766.

The spelling of 139102704 in words is "one hundred thirty-nine million, one hundred two thousand, seven hundred four".