138836034 has 24 divisors (see below), whose sum is σ = 301047552. Its totient is φ = 46242360.

The previous prime is 138836017. The next prime is 138836041. The reversal of 138836034 is 430638831.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 138836034.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30699 + ... + 34929.

It is an arithmetic number, because the mean of its divisors is an integer number (12543648).

Almost surely, 2^138836034 is an apocalyptic number.

138836034 is an abundant number, since it is smaller than the sum of its proper divisors (162211518).

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

138836034 is a wasteful number, since it uses less digits than its factorization.

138836034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6062 (or 6059 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 138836034 is about 11782.8703633707. The cubic root of 138836034 is about 517.8063830191.

The spelling of 138836034 in words is "one hundred thirty-eight million, eight hundred thirty-six thousand, thirty-four".