139513517 has 8 divisors (see below), whose sum is σ = 163904160. Its totient is φ = 117074160.

The previous prime is 139513511. The next prime is 139513537. The reversal of 139513517 is 715315931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 139513517 - 2⁴ = 139513501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139513511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487667 + ... + 487952.

It is an arithmetic number, because the mean of its divisors is an integer number (20488020).

Almost surely, 2^139513517 is an apocalyptic number.

It is an amenable number.

139513517 is a deficient number, since it is larger than the sum of its proper divisors (24390643).

139513517 is a wasteful number, since it uses less digits than its factorization.

139513517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975643.

The product of its digits is 14175, while the sum is 35.

The square root of 139513517 is about 11811.5840173958. The cubic root of 139513517 is about 518.6472693072.

The spelling of 139513517 in words is "one hundred thirty-nine million, five hundred thirteen thousand, five hundred seventeen".