138700074 has 16 divisors (see below), whose sum is σ = 289461312. Its totient is φ = 44223168.

The previous prime is 138700027. The next prime is 138700103. The reversal of 138700074 is 470007831.

It is a happy 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, 502399 + ... + 502674.

It is an arithmetic number, because the mean of its divisors is an integer number (18091332).

Almost surely, 2^138700074 is an apocalyptic number.

138700074 is an abundant number, since it is smaller than the sum of its proper divisors (150761238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138700074 is a wasteful number, since it uses less digits than its factorization.

138700074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005101.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 138700074 is about 11777.0995580406. The cubic root of 138700074 is about 517.6373011960.

The spelling of 138700074 in words is "one hundred thirty-eight million, seven hundred thousand, seventy-four".