138011480 has 32 divisors (see below), whose sum is σ = 318921840. Its totient is φ = 53712000.

The previous prime is 138011479. The next prime is 138011483. The reversal of 138011480 is 84110831.

It is a super-2 number, since 2×138011480² = 38094337223580800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138011483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45146 + ... + 48105.

Almost surely, 2^138011480 is an apocalyptic number.

138011480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138011480 is an abundant number, since it is smaller than the sum of its proper divisors (180910360).

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

138011480 is a wasteful number, since it uses less digits than its factorization.

138011480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93299 (or 93295 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 138011480 is about 11747.8287355579. The cubic root of 138011480 is about 516.7792544558.

The spelling of 138011480 in words is "one hundred thirty-eight million, eleven thousand, four hundred eighty".