139045736 has 16 divisors (see below), whose sum is σ = 260930400. Its totient is φ = 69464304.

The previous prime is 139045729. The next prime is 139045747. The reversal of 139045736 is 637540931.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 139045736.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3755 + ... + 17093.

It is an arithmetic number, because the mean of its divisors is an integer number (16308150).

Almost surely, 2^139045736 is an apocalyptic number.

It is an amenable number.

139045736 is a deficient number, since it is larger than the sum of its proper divisors (121884664).

139045736 is a wasteful number, since it uses less digits than its factorization.

139045736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14648 (or 14644 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 139045736 is about 11791.7656014695. The cubic root of 139045736 is about 518.0669551651.

The spelling of 139045736 in words is "one hundred thirty-nine million, forty-five thousand, seven hundred thirty-six".