138501351 has 12 divisors (see below), whose sum is σ = 200171712. Its totient is φ = 92281536.

The previous prime is 138501347. The next prime is 138501373. The reversal of 138501351 is 153105831.

It is not a de Polignac number, because 138501351 - 2² = 138501347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138501301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18570 + ... + 24936.

It is an arithmetic number, because the mean of its divisors is an integer number (16680976).

Almost surely, 2^138501351 is an apocalyptic number.

138501351 is a deficient number, since it is larger than the sum of its proper divisors (61670361).

138501351 is a wasteful number, since it uses less digits than its factorization.

138501351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8790 (or 8787 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 138501351 is about 11768.6596942897. The cubic root of 138501351 is about 517.3899675045.

The spelling of 138501351 in words is "one hundred thirty-eight million, five hundred one thousand, three hundred fifty-one".