139083715 has 16 divisors (see below), whose sum is σ = 180832608. Its totient is φ = 102283776.

The previous prime is 139083697. The next prime is 139083719. The reversal of 139083715 is 517380931.

It is a happy number.

139083715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 139083715 - 2²³ = 130695107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139083719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15372 + ... + 22681.

It is an arithmetic number, because the mean of its divisors is an integer number (11302038).

Almost surely, 2^139083715 is an apocalyptic number.

139083715 is a deficient number, since it is larger than the sum of its proper divisors (41748893).

139083715 is a wasteful number, since it uses less digits than its factorization.

139083715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38118.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 139083715 is about 11793.3758949675. The cubic root of 139083715 is about 518.1141191998.

The spelling of 139083715 in words is "one hundred thirty-nine million, eighty-three thousand, seven hundred fifteen".