189435469135 has 32 divisors (see below), whose sum is σ = 267117834240. Its totient is φ = 127530163200.

The previous prime is 189435469103. The next prime is 189435469183. The reversal of 189435469135 is 531964534981.

It is not a de Polignac number, because 189435469135 - 2⁵ = 189435469103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 189435469135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2376130 + ... + 2454559.

It is an arithmetic number, because the mean of its divisors is an integer number (8347432320).

Almost surely, 2^189435469135 is an apocalyptic number.

189435469135 is a deficient number, since it is larger than the sum of its proper divisors (77682365105).

189435469135 is a wasteful number, since it uses less digits than its factorization.

189435469135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830759.

The product of its digits is 13996800, while the sum is 58.

The spelling of 189435469135 in words is "one hundred eighty-nine billion, four hundred thirty-five million, four hundred sixty-nine thousand, one hundred thirty-five".