139632692 has 6 divisors (see below), whose sum is σ = 244357218. Its totient is φ = 69816344.

The previous prime is 139632683. The next prime is 139632719. The reversal of 139632692 is 296236931.

It can be written as a sum of positive squares in only one way, i.e., 138391696 + 1240996 = 11764^2 + 1114^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17454083 + ... + 17454090.

It is an arithmetic number, because the mean of its divisors is an integer number (40726203).

Almost surely, 2^139632692 is an apocalyptic number.

It is an amenable number.

139632692 is a deficient number, since it is larger than the sum of its proper divisors (104724526).

139632692 is a wasteful number, since it uses less digits than its factorization.

139632692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34908177 (or 34908175 counting only the distinct ones).

The product of its digits is 104976, while the sum is 41.

The square root of 139632692 is about 11816.6277761466. The cubic root of 139632692 is about 518.7949066075.

The spelling of 139632692 in words is "one hundred thirty-nine million, six hundred thirty-two thousand, six hundred ninety-two".