139240202517 has 12 divisors (see below), whose sum is σ = 216595870764. Its totient is φ = 85686278400.

The previous prime is 139240202513. The next prime is 139240202561. The reversal of 139240202517 is 715202042931.

139240202517 is a `hidden beast` number, since 13 + 92 + 40 + 2 + 0 + 2 + 517 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 68555472561 + 70684729956 = 261831^2 + 265866^2 .

It is not a de Polignac number, because 139240202517 - 2² = 139240202513 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139240202513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 595043484 + ... + 595043717.

It is an arithmetic number, because the mean of its divisors is an integer number (18049655897).

Almost surely, 2^139240202517 is an apocalyptic number.

It is an amenable number.

139240202517 is a deficient number, since it is larger than the sum of its proper divisors (77355668247).

139240202517 is a wasteful number, since it uses less digits than its factorization.

139240202517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190087220 (or 1190087217 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 139240202517 in words is "one hundred thirty-nine billion, two hundred forty million, two hundred two thousand, five hundred seventeen".