138088760 has 32 divisors (see below), whose sum is σ = 314450640. Its totient is φ = 54568704.

The previous prime is 138088759. The next prime is 138088763. The reversal of 138088760 is 67880831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138088763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17477 + ... + 24116.

Almost surely, 2^138088760 is an apocalyptic number.

138088760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138088760 is an abundant number, since it is smaller than the sum of its proper divisors (176361880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138088760 is a wasteful number, since it uses less digits than its factorization.

138088760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41687 (or 41683 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 138088760 is about 11751.1173936779. The cubic root of 138088760 is about 516.8756938942.

The spelling of 138088760 in words is "one hundred thirty-eight million, eighty-eight thousand, seven hundred sixty".