138134575 has 12 divisors (see below), whose sum is σ = 171814648. Its totient is φ = 110167200.

The previous prime is 138134567. The next prime is 138134593. The reversal of 138134575 is 575431831.

138134575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 138134575 - 2³ = 138134567 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72 + ... + 16621.

Almost surely, 2^138134575 is an apocalyptic number.

138134575 is a deficient number, since it is larger than the sum of its proper divisors (33680073).

138134575 is a wasteful number, since it uses less digits than its factorization.

138134575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17034 (or 17029 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 138134575 is about 11753.0666210994. The cubic root of 138134575 is about 516.9328504687.

The spelling of 138134575 in words is "one hundred thirty-eight million, one hundred thirty-four thousand, five hundred seventy-five".