138092575 has 24 divisors (see below), whose sum is σ = 180086688. Its totient is φ = 104839680.

The previous prime is 138092573. The next prime is 138092587. The reversal of 138092575 is 575290831.

It is not a de Polignac number, because 138092575 - 2¹ = 138092573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138092573) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77899 + ... + 79651.

It is an arithmetic number, because the mean of its divisors is an integer number (7503612).

Almost surely, 2^138092575 is an apocalyptic number.

138092575 is a deficient number, since it is larger than the sum of its proper divisors (41994113).

138092575 is a wasteful number, since it uses less digits than its factorization.

138092575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923 (or 1918 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 138092575 is about 11751.2797175457. The cubic root of 138092575 is about 516.8804537859.

It can be divided in two parts, 13809 and 2575, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 138092575 in words is "one hundred thirty-eight million, ninety-two thousand, five hundred seventy-five".