138557062 has 16 divisors (see below), whose sum is σ = 238390560. Its totient is φ = 59165568.

The previous prime is 138557039. The next prime is 138557071. The reversal of 138557062 is 260755831.

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, 13987 + ... + 21742.

It is an arithmetic number, because the mean of its divisors is an integer number (14899410).

Almost surely, 2^138557062 is an apocalyptic number.

138557062 is a deficient number, since it is larger than the sum of its proper divisors (99833498).

138557062 is a wasteful number, since it uses less digits than its factorization.

138557062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36015.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 138557062 is about 11771.0263783580. The cubic root of 138557062 is about 517.4593301216.

The spelling of 138557062 in words is "one hundred thirty-eight million, five hundred fifty-seven thousand, sixty-two".