189118701 has 6 divisors (see below), whose sum is σ = 273171470. Its totient is φ = 126079128.

The previous prime is 189118679. The next prime is 189118733. The reversal of 189118701 is 107811981.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 127103076 + 62015625 = 11274^2 + 7875^2 .

It is not a de Polignac number, because 189118701 - 2⁶ = 189118637 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 (189118751) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10506586 + ... + 10506603.

Almost surely, 2^189118701 is an apocalyptic number.

It is an amenable number.

189118701 is a deficient number, since it is larger than the sum of its proper divisors (84052769).

189118701 is a wasteful number, since it uses less digits than its factorization.

189118701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21013195 (or 21013192 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 36.

The square root of 189118701 is about 13752.0435208735. The cubic root of 189118701 is about 573.9994708765. Note that the first 3 decimals are identical.

The spelling of 189118701 in words is "one hundred eighty-nine million, one hundred eighteen thousand, seven hundred one".