138524082 has 16 divisors (see below), whose sum is σ = 279739200. Its totient is φ = 45726192.

The previous prime is 138524047. The next prime is 138524093. The reversal of 138524082 is 280425831.

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, 111457 + ... + 112692.

It is an arithmetic number, because the mean of its divisors is an integer number (17483700).

Almost surely, 2^138524082 is an apocalyptic number.

138524082 is an abundant number, since it is smaller than the sum of its proper divisors (141215118).

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

138524082 is a wasteful number, since it uses less digits than its factorization.

138524082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224257.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 138524082 is about 11769.6253976072. The cubic root of 138524082 is about 517.4182708337.

The spelling of 138524082 in words is "one hundred thirty-eight million, five hundred twenty-four thousand, eighty-two".