149313189 has 8 divisors (see below), whose sum is σ = 199143232. Its totient is φ = 99512640.

The previous prime is 149313173. The next prime is 149313209. The reversal of 149313189 is 981313941.

It is a happy number.

149313189 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 not a de Polignac number, because 149313189 - 2⁴ = 149313173 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 (149313089) 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, 10944 + ... + 20454.

It is an arithmetic number, because the mean of its divisors is an integer number (24892904).

Almost surely, 2^149313189 is an apocalyptic number.

It is an amenable number.

149313189 is a deficient number, since it is larger than the sum of its proper divisors (49830043).

149313189 is an equidigital number, since it uses as much as digits as its factorization.

149313189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14747.

The product of its digits is 23328, while the sum is 39.

The square root of 149313189 is about 12219.3776028078. The cubic root of 149313189 is about 530.5171041900.

The spelling of 149313189 in words is "one hundred forty-nine million, three hundred thirteen thousand, one hundred eighty-nine".