149009817139564 has 12 divisors (see below), whose sum is σ = 261417472216488. Its totient is φ = 74319110792000.

The previous prime is 149009817139559. The next prime is 149009817139639. The reversal of 149009817139564 is 465931718900941.

It is a super-2 number, since 2×149009817139564² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 149009817139564.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46449442642 + ... + 46449445849.

It is an arithmetic number, because the mean of its divisors is an integer number (21784789351374).

Almost surely, 2^{149009817139564} is an apocalyptic number.

It is an amenable number.

149009817139564 is a deficient number, since it is larger than the sum of its proper divisors (112407655076924).

149009817139564 is a wasteful number, since it uses less digits than its factorization.

149009817139564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92898888896 (or 92898888894 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 67.

The spelling of 149009817139564 in words is "one hundred forty-nine trillion, nine billion, eight hundred seventeen million, one hundred thirty-nine thousand, five hundred sixty-four".