189554932136 has 16 divisors (see below), whose sum is σ = 355829265600. Its totient is φ = 94667127984.

The previous prime is 189554932123. The next prime is 189554932153. The reversal of 189554932136 is 631239455981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13784960 + ... + 13798703.

It is an arithmetic number, because the mean of its divisors is an integer number (22239329100).

Almost surely, 2^189554932136 is an apocalyptic number.

It is an amenable number.

189554932136 is a deficient number, since it is larger than the sum of its proper divisors (166274333464).

189554932136 is a wasteful number, since it uses less digits than its factorization.

189554932136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27584528 (or 27584524 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 56.

The spelling of 189554932136 in words is "one hundred eighty-nine billion, five hundred fifty-four million, nine hundred thirty-two thousand, one hundred thirty-six".