9138661342980 has 96 divisors (see below), whose sum is σ = 27617953104000. Its totient is φ = 2244506492928.

The previous prime is 9138661342973. The next prime is 9138661342999. The reversal of 9138661342980 is 892431668319.

It is a super-2 number, since 2×9138661342980² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12696810 + ... + 13397249.

It is an arithmetic number, because the mean of its divisors is an integer number (287687011500).

Almost surely, 2^{9138661342980} is an apocalyptic number.

It is an amenable number.

9138661342980 is an abundant number, since it is smaller than the sum of its proper divisors (18479291761020).

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

9138661342980 is a wasteful number, since it uses less digits than its factorization.

9138661342980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26094533 (or 26094531 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 60.

The spelling of 9138661342980 in words is "nine trillion, one hundred thirty-eight billion, six hundred sixty-one million, three hundred forty-two thousand, nine hundred eighty".