138550036 has 24 divisors (see below), whose sum is σ = 250758144. Its totient is φ = 66913440.

The previous prime is 138550019. The next prime is 138550103. The reversal of 138550036 is 630055831.

138550036 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×138550036² = 38392224951202592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125061 + ... + 126163.

It is an arithmetic number, because the mean of its divisors is an integer number (10448256).

Almost surely, 2^138550036 is an apocalyptic number.

It is an amenable number.

138550036 is a deficient number, since it is larger than the sum of its proper divisors (112208108).

138550036 is a wasteful number, since it uses less digits than its factorization.

138550036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151 (or 2149 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 138550036 is about 11770.7279299116. The cubic root of 138550036 is about 517.4505834709.

The spelling of 138550036 in words is "one hundred thirty-eight million, five hundred fifty thousand, thirty-six".