139907137 has 16 divisors (see below), whose sum is σ = 148488192. Its totient is φ = 131559120.

The previous prime is 139907111. The next prime is 139907143. The reversal of 139907137 is 731709931.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 139907137 - 2¹¹ = 139905089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 139907137.

It is not an unprimeable number, because it can be changed into a prime (139907147) 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, 616218 + ... + 616444.

It is an arithmetic number, because the mean of its divisors is an integer number (9280512).

Almost surely, 2^139907137 is an apocalyptic number.

It is an amenable number.

139907137 is a deficient number, since it is larger than the sum of its proper divisors (8581055).

139907137 is a wasteful number, since it uses less digits than its factorization.

139907137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588.

The product of its (nonzero) digits is 35721, while the sum is 40.

The square root of 139907137 is about 11828.2347372717. The cubic root of 139907137 is about 519.1345775107.

The spelling of 139907137 in words is "one hundred thirty-nine million, nine hundred seven thousand, one hundred thirty-seven".