138795338 has 16 divisors (see below), whose sum is σ = 230233536. Its totient is φ = 62223840.

The previous prime is 138795331. The next prime is 138795341. The reversal of 138795338 is 833597831.

It is a junction number, because it is equal to n+sod(n) for n = 138795292 and 138795301.

It is not an unprimeable number, because it can be changed into a prime (138795331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41606 + ... + 44817.

It is an arithmetic number, because the mean of its divisors is an integer number (14389596).

Almost surely, 2^138795338 is an apocalyptic number.

138795338 is a deficient number, since it is larger than the sum of its proper divisors (91438198).

138795338 is a wasteful number, since it uses less digits than its factorization.

138795338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86509.

The product of its digits is 544320, while the sum is 47.

The square root of 138795338 is about 11781.1433231245. The cubic root of 138795338 is about 517.7557844647.

The spelling of 138795338 in words is "one hundred thirty-eight million, seven hundred ninety-five thousand, three hundred thirty-eight".