147986268138 has 32 divisors (see below), whose sum is σ = 332820532800. Its totient is φ = 48734432208.

The previous prime is 147986268097. The next prime is 147986268181. The reversal of 147986268138 is 831862689741.

147986268138 is a `hidden beast` number, since 1 + 479 + 8 + 6 + 26 + 8 + 138 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16504473 + ... + 16513436.

It is an arithmetic number, because the mean of its divisors is an integer number (10400641650).

Almost surely, 2^147986268138 is an apocalyptic number.

147986268138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

147986268138 is an abundant number, since it is smaller than the sum of its proper divisors (184834264662).

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

147986268138 is a wasteful number, since it uses less digits than its factorization.

147986268138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33018003 (or 33017997 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 63.

The spelling of 147986268138 in words is "one hundred forty-seven billion, nine hundred eighty-six million, two hundred sixty-eight thousand, one hundred thirty-eight".