189695149 has 8 divisors (see below), whose sum is σ = 221407488. Its totient is φ = 159136080.

The previous prime is 189695141. The next prime is 189695161. The reversal of 189695149 is 941596981.

It is a happy number.

189695149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 189695149 - 2³ = 189695141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 189695096 and 189695105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189695141) 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, 287962 + ... + 288619.

It is an arithmetic number, because the mean of its divisors is an integer number (27675936).

Almost surely, 2^189695149 is an apocalyptic number.

It is an amenable number.

189695149 is a deficient number, since it is larger than the sum of its proper divisors (31712339).

189695149 is an equidigital number, since it uses as much as digits as its factorization.

189695149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576635.

The product of its digits is 699840, while the sum is 52.

The square root of 189695149 is about 13772.9862048867. The cubic root of 189695149 is about 574.5820771623.

The spelling of 189695149 in words is "one hundred eighty-nine million, six hundred ninety-five thousand, one hundred forty-nine".