138229795 has 12 divisors (see below), whose sum is σ = 182327040. Its totient is φ = 100530320.

The previous prime is 138229789. The next prime is 138229799. The reversal of 138229795 is 597922831.

It is not a de Polignac number, because 138229795 - 2³ = 138229787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138229799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113635 + ... + 114844.

It is an arithmetic number, because the mean of its divisors is an integer number (15193920).

Almost surely, 2^138229795 is an apocalyptic number.

138229795 is a deficient number, since it is larger than the sum of its proper divisors (44097245).

138229795 is a wasteful number, since it uses less digits than its factorization.

138229795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228506 (or 228495 counting only the distinct ones).

The product of its digits is 272160, while the sum is 46.

The square root of 138229795 is about 11757.1167809119. The cubic root of 138229795 is about 517.0516019114.

The spelling of 138229795 in words is "one hundred thirty-eight million, two hundred twenty-nine thousand, seven hundred ninety-five".