138074004 has 24 divisors (see below), whose sum is σ = 357969920. Its totient is φ = 46024632.

The previous prime is 138073993. The next prime is 138074011. The reversal of 138074004 is 400470831.

138074004 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 639124 + ... + 639339.

Almost surely, 2^138074004 is an apocalyptic number.

It is an amenable number.

138074004 is an abundant number, since it is smaller than the sum of its proper divisors (219895916).

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

138074004 is a wasteful number, since it uses less digits than its factorization.

138074004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278476 (or 1278468 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 138074004 is about 11750.4895217178. The cubic root of 138074004 is about 516.8572823319.

The spelling of 138074004 in words is "one hundred thirty-eight million, seventy-four thousand, four".