15137138357 has 24 divisors (see below), whose sum is σ = 16927600536. Its totient is φ = 13523840000.

The previous prime is 15137138293. The next prime is 15137138407. The reversal of 15137138357 is 75383173151.

It can be written as a sum of positive squares in 4 ways, for example, as 11777892676 + 3359245681 = 108526^2 + 57959^2 .

It is not a de Polignac number, because 15137138357 - 2⁶ = 15137138293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15137134357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1669757 + ... + 1678797.

It is an arithmetic number, because the mean of its divisors is an integer number (705316689).

Almost surely, 2^15137138357 is an apocalyptic number.

It is an amenable number.

15137138357 is a deficient number, since it is larger than the sum of its proper divisors (1790462179).

15137138357 is a wasteful number, since it uses less digits than its factorization.

15137138357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9301 (or 9290 counting only the distinct ones).

The product of its digits is 264600, while the sum is 44.

The spelling of 15137138357 in words is "fifteen billion, one hundred thirty-seven million, one hundred thirty-eight thousand, three hundred fifty-seven".