189870714144 has 48 divisors (see below), whose sum is σ = 553789585440. Its totient is φ = 63290237760.

The previous prime is 189870714133. The next prime is 189870714149. The reversal of 189870714144 is 441417078981.

189870714144 is a `hidden beast` number, since 1 + 8 + 98 + 70 + 71 + 414 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (189870714149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109878022 + ... + 109879749.

It is an arithmetic number, because the mean of its divisors is an integer number (11537283030).

Almost surely, 2^189870714144 is an apocalyptic number.

It is an amenable number.

189870714144 is an abundant number, since it is smaller than the sum of its proper divisors (363918871296).

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

189870714144 is a wasteful number, since it uses less digits than its factorization.

189870714144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219757790 (or 219757776 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 54.

The spelling of 189870714144 in words is "one hundred eighty-nine billion, eight hundred seventy million, seven hundred fourteen thousand, one hundred forty-four".