138050517526 has 8 divisors (see below), whose sum is σ = 219256704360. Its totient is φ = 64964949408.

The previous prime is 138050517511. The next prime is 138050517533. The reversal of 138050517526 is 625715050831.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2030154636 + ... + 2030154703.

It is an arithmetic number, because the mean of its divisors is an integer number (27407088045).

Almost surely, 2^138050517526 is an apocalyptic number.

138050517526 is a deficient number, since it is larger than the sum of its proper divisors (81206186834).

138050517526 is a wasteful number, since it uses less digits than its factorization.

138050517526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4060309358.

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 138050517526 in words is "one hundred thirty-eight billion, fifty million, five hundred seventeen thousand, five hundred twenty-six".