138060980 has 24 divisors (see below), whose sum is σ = 299281920. Its totient is φ = 53442720.

The previous prime is 138060971. The next prime is 138061009. The reversal of 138060980 is 89060831.

It is a self number, because there is not a number n which added to its sum of digits gives 138060980.

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, 110720 + ... + 111959.

It is an arithmetic number, because the mean of its divisors is an integer number (12470080).

Almost surely, 2^138060980 is an apocalyptic number.

138060980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138060980 is an abundant number, since it is smaller than the sum of its proper divisors (161220940).

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

138060980 is a wasteful number, since it uses less digits than its factorization.

138060980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222719 (or 222717 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 138060980 is about 11749.9353189709. The cubic root of 138060980 is about 516.8410307549.

The spelling of 138060980 in words is "one hundred thirty-eight million, sixty thousand, nine hundred eighty".