138175130 has 32 divisors (see below), whose sum is σ = 253698048. Its totient is φ = 54172800.

The previous prime is 138175129. The next prime is 138175139. The reversal of 138175130 is 31571831.

It is a junction number, because it is equal to n+sod(n) for n = 138175093 and 138175102.

It is not an unprimeable number, because it can be changed into a prime (138175139) 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, 138935 + ... + 139925.

It is an arithmetic number, because the mean of its divisors is an integer number (7928064).

Almost surely, 2^138175130 is an apocalyptic number.

138175130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138175130 is a deficient number, since it is larger than the sum of its proper divisors (115522918).

138175130 is a wasteful number, since it uses less digits than its factorization.

138175130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 138175130 is about 11754.7917888834. The cubic root of 138175130 is about 516.9834343780.

The spelling of 138175130 in words is "one hundred thirty-eight million, one hundred seventy-five thousand, one hundred thirty".