138314577 has 16 divisors (see below), whose sum is σ = 189060480. Its totient is φ = 89910912.

The previous prime is 138314563. The next prime is 138314581. The reversal of 138314577 is 775413831.

It is not a de Polignac number, because 138314577 - 2⁸ = 138314321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138314507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23949 + ... + 29157.

It is an arithmetic number, because the mean of its divisors is an integer number (11816280).

Almost surely, 2^138314577 is an apocalyptic number.

It is an amenable number.

138314577 is a deficient number, since it is larger than the sum of its proper divisors (50745903).

138314577 is a wasteful number, since it uses less digits than its factorization.

138314577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5432.

The product of its digits is 70560, while the sum is 39.

The square root of 138314577 is about 11760.7217890740. The cubic root of 138314577 is about 517.1572899548.

The spelling of 138314577 in words is "one hundred thirty-eight million, three hundred fourteen thousand, five hundred seventy-seven".