138352170524 has 48 divisors (see below), whose sum is σ = 263359343520. Its totient is φ = 63329863680.

The previous prime is 138352170461. The next prime is 138352170557. The reversal of 138352170524 is 425071253831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15421112 + ... + 15430080.

It is an arithmetic number, because the mean of its divisors is an integer number (5486652990).

Almost surely, 2^138352170524 is an apocalyptic number.

It is an amenable number.

138352170524 is a deficient number, since it is larger than the sum of its proper divisors (125007172996).

138352170524 is a wasteful number, since it uses less digits than its factorization.

138352170524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15158 (or 15156 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 138352170524 in words is "one hundred thirty-eight billion, three hundred fifty-two million, one hundred seventy thousand, five hundred twenty-four".