138614614456 has 32 divisors (see below), whose sum is σ = 282406694400. Its totient is φ = 63541501920.

The previous prime is 138614614427. The next prime is 138614614477. The reversal of 138614614456 is 654416416831.

It is a super-2 number, since 2×138614614456² (a number of 23 digits) contains 22 as substring.

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, 14703970 + ... + 14713393.

It is an arithmetic number, because the mean of its divisors is an integer number (8825209200).

Almost surely, 2^138614614456 is an apocalyptic number.

It is an amenable number.

138614614456 is an abundant number, since it is smaller than the sum of its proper divisors (143792079944).

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

138614614456 is a wasteful number, since it uses less digits than its factorization.

138614614456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29417419 (or 29417415 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 49.

The spelling of 138614614456 in words is "one hundred thirty-eight billion, six hundred fourteen million, six hundred fourteen thousand, four hundred fifty-six".