138413262 has 16 divisors (see below), whose sum is σ = 298121040. Its totient is φ = 42588672.

The previous prime is 138413237. The next prime is 138413273. The reversal of 138413262 is 262314831.

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, 887187 + ... + 887342.

It is an arithmetic number, because the mean of its divisors is an integer number (18632565).

Almost surely, 2^138413262 is an apocalyptic number.

138413262 is an abundant number, since it is smaller than the sum of its proper divisors (159707778).

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

138413262 is a wasteful number, since it uses less digits than its factorization.

138413262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774547.

The product of its digits is 6912, while the sum is 30.

The square root of 138413262 is about 11764.9165742898. The cubic root of 138413262 is about 517.2802549027.

The spelling of 138413262 in words is "one hundred thirty-eight million, four hundred thirteen thousand, two hundred sixty-two".