189319941 has 6 divisors (see below), whose sum is σ = 273462150. Its totient is φ = 126213288.

The previous prime is 189319891. The next prime is 189319943. The reversal of 189319941 is 149913981.

It can be written as a sum of positive squares in only one way, i.e., 182817441 + 6502500 = 13521^2 + 2550^2 .

It is not a de Polignac number, because 189319941 - 2⁷ = 189319813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189319943) 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, 10517766 + ... + 10517783.

It is an arithmetic number, because the mean of its divisors is an integer number (45577025).

Almost surely, 2^189319941 is an apocalyptic number.

It is an amenable number.

189319941 is a deficient number, since it is larger than the sum of its proper divisors (84142209).

189319941 is a wasteful number, since it uses less digits than its factorization.

189319941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21035555 (or 21035552 counting only the distinct ones).

The product of its digits is 69984, while the sum is 45.

The square root of 189319941 is about 13759.3583062583. The cubic root of 189319941 is about 574.2029950924.

The spelling of 189319941 in words is "one hundred eighty-nine million, three hundred nineteen thousand, nine hundred forty-one".