139706044 has 6 divisors (see below), whose sum is σ = 244485584. Its totient is φ = 69853020.

The previous prime is 139706027. The next prime is 139706087. The reversal of 139706044 is 440607931.

It is a happy number.

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, 17463252 + ... + 17463259.

Almost surely, 2^139706044 is an apocalyptic number.

It is an amenable number.

139706044 is a deficient number, since it is larger than the sum of its proper divisors (104779540).

139706044 is a wasteful number, since it uses less digits than its factorization.

139706044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34926515 (or 34926513 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 139706044 is about 11819.7311306138. The cubic root of 139706044 is about 518.8857353424.

The spelling of 139706044 in words is "one hundred thirty-nine million, seven hundred six thousand, forty-four".