137513888517 has 4 divisors (see below), whose sum is σ = 183351851360. Its totient is φ = 91675925676.

The previous prime is 137513888513. The next prime is 137513888527. The reversal of 137513888517 is 715888315731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 137513888517 - 2² = 137513888513 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 (137513888513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22918981417 + ... + 22918981422.

It is an arithmetic number, because the mean of its divisors is an integer number (45837962840).

Almost surely, 2^137513888517 is an apocalyptic number.

It is an amenable number.

137513888517 is a deficient number, since it is larger than the sum of its proper divisors (45837962843).

137513888517 is an equidigital number, since it uses as much as digits as its factorization.

137513888517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45837962842.

The product of its digits is 5644800, while the sum is 57.

The spelling of 137513888517 in words is "one hundred thirty-seven billion, five hundred thirteen million, eight hundred eighty-eight thousand, five hundred seventeen".