189151131144789 has 64 divisors (see below), whose sum is σ = 326320437196800. Its totient is φ = 107073893001600.

The previous prime is 189151131144683. The next prime is 189151131144889. The reversal of 189151131144789 is 987441131151981.

189151131144789 is a `hidden beast` number, since 1 + 8 + 9 + 1 + 51 + 131 + 1 + 447 + 8 + 9 = 666.

It is not a de Polignac number, because 189151131144789 - 2¹⁷ = 189151131013717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189151131144889) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 235652904 + ... + 236454209.

It is an arithmetic number, because the mean of its divisors is an integer number (5098756831200).

Almost surely, 2^{189151131144789} is an apocalyptic number.

189151131144789 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

189151131144789 is a deficient number, since it is larger than the sum of its proper divisors (137169306052011).

189151131144789 is a wasteful number, since it uses less digits than its factorization.

189151131144789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472107223 (or 472107217 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 63.

The spelling of 189151131144789 in words is "one hundred eighty-nine trillion, one hundred fifty-one billion, one hundred thirty-one million, one hundred forty-four thousand, seven hundred eighty-nine".