189900132007 has 4 divisors (see below), whose sum is σ = 190037642536. Its totient is φ = 189762621480.

The previous prime is 189900131957. The next prime is 189900132053. The reversal of 189900132007 is 700231009981.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700231009981 = 298343 ⋅2347067.

It is a cyclic number.

It is not a de Polignac number, because 189900132007 - 2³¹ = 187752648359 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 (189900132907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68753193 + ... + 68755954.

It is an arithmetic number, because the mean of its divisors is an integer number (47509410634).

Almost surely, 2^189900132007 is an apocalyptic number.

189900132007 is a deficient number, since it is larger than the sum of its proper divisors (137510529).

189900132007 is a wasteful number, since it uses less digits than its factorization.

189900132007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137510528.

The product of its (nonzero) digits is 27216, while the sum is 40.

The spelling of 189900132007 in words is "one hundred eighty-nine billion, nine hundred million, one hundred thirty-two thousand, seven".