138299595 has 32 divisors (see below), whose sum is σ = 256369152. Its totient is φ = 62353152.

The previous prime is 138299569. The next prime is 138299657. The reversal of 138299595 is 595992831.

It is not a de Polignac number, because 138299595 - 2⁵ = 138299563 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1357 + ... + 16686.

It is an arithmetic number, because the mean of its divisors is an integer number (8011536).

Almost surely, 2^138299595 is an apocalyptic number.

138299595 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

138299595 is a deficient number, since it is larger than the sum of its proper divisors (118069557).

138299595 is a wasteful number, since it uses less digits than its factorization.

138299595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18131.

The product of its digits is 874800, while the sum is 51.

The square root of 138299595 is about 11760.0848211227. The cubic root of 138299595 is about 517.1386167475.

The spelling of 138299595 in words is "one hundred thirty-eight million, two hundred ninety-nine thousand, five hundred ninety-five".