138190036 has 12 divisors (see below), whose sum is σ = 245931840. Its totient is φ = 67923800.

The previous prime is 138190009. The next prime is 138190043. The reversal of 138190036 is 630091831.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 292540 + ... + 293011.

It is an arithmetic number, because the mean of its divisors is an integer number (20494320).

Almost surely, 2^138190036 is an apocalyptic number.

It is an amenable number.

138190036 is a deficient number, since it is larger than the sum of its proper divisors (107741804).

138190036 is a wasteful number, since it uses less digits than its factorization.

138190036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585614 (or 585612 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 138190036 is about 11755.4258110883. The cubic root of 138190036 is about 517.0020240185.

The spelling of 138190036 in words is "one hundred thirty-eight million, one hundred ninety thousand, thirty-six".