138752367 has 16 divisors (see below), whose sum is σ = 200696160. Its totient is φ = 84759552.

The previous prime is 138752363. The next prime is 138752371. The reversal of 138752367 is 763257831.

It is an interprime number because it is at equal distance from previous prime (138752363) and next prime (138752371).

It is not a de Polignac number, because 138752367 - 2² = 138752363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138752363) 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 15 ways as a sum of consecutive naturals, for example, 7642 + ... + 18327.

It is an arithmetic number, because the mean of its divisors is an integer number (12543510).

Almost surely, 2^138752367 is an apocalyptic number.

138752367 is a deficient number, since it is larger than the sum of its proper divisors (61943793).

138752367 is a wasteful number, since it uses less digits than its factorization.

138752367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26122.

The product of its digits is 211680, while the sum is 42.

The square root of 138752367 is about 11779.3194625157. The cubic root of 138752367 is about 517.7023465981.

The spelling of 138752367 in words is "one hundred thirty-eight million, seven hundred fifty-two thousand, three hundred sixty-seven".