189135773 has 8 divisors (see below), whose sum is σ = 191978496. Its totient is φ = 186300000.

The previous prime is 189135763. The next prime is 189135811. The reversal of 189135773 is 377531981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189135773 - 2¹⁰ = 189134749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189135733) 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, 82898 + ... + 85148.

It is an arithmetic number, because the mean of its divisors is an integer number (23997312).

Almost surely, 2^189135773 is an apocalyptic number.

It is an amenable number.

189135773 is a deficient number, since it is larger than the sum of its proper divisors (2842723).

189135773 is a wasteful number, since it uses less digits than its factorization.

189135773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3475.

The product of its digits is 158760, while the sum is 44.

The square root of 189135773 is about 13752.6642146167. The cubic root of 189135773 is about 574.0167422587.

The spelling of 189135773 in words is "one hundred eighty-nine million, one hundred thirty-five thousand, seven hundred seventy-three".