138752827252 has 24 divisors (see below), whose sum is σ = 261529906176. Its totient is φ = 64031392608.

The previous prime is 138752827247. The next prime is 138752827267. The reversal of 138752827252 is 252728257831.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 138752827252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236253 + ... + 577339.

It is an arithmetic number, because the mean of its divisors is an integer number (10897079424).

Almost surely, 2^138752827252 is an apocalyptic number.

It is an amenable number.

138752827252 is a deficient number, since it is larger than the sum of its proper divisors (122777078924).

138752827252 is a wasteful number, since it uses less digits than its factorization.

138752827252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348927 (or 348925 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 52.

The spelling of 138752827252 in words is "one hundred thirty-eight billion, seven hundred fifty-two million, eight hundred twenty-seven thousand, two hundred fifty-two".