149695389 has 12 divisors (see below), whose sum is σ = 216380736. Its totient is φ = 99725832.

The previous prime is 149695367. The next prime is 149695417. The reversal of 149695389 is 983596941.

149695389 is a `hidden beast` number, since 1 + 49 + 69 + 538 + 9 = 666.

It is not a de Polignac number, because 149695389 - 2¹² = 149691293 is a prime.

It is a super-2 number, since 2×149695389² = 44817418975722642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149695309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9532 + ... + 19754.

It is an arithmetic number, because the mean of its divisors is an integer number (18031728).

Almost surely, 2^149695389 is an apocalyptic number.

It is an amenable number.

149695389 is a deficient number, since it is larger than the sum of its proper divisors (66685347).

149695389 is a wasteful number, since it uses less digits than its factorization.

149695389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11856 (or 11853 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 149695389 is about 12235.0067020823. The cubic root of 149695389 is about 530.9693769779.

The spelling of 149695389 in words is "one hundred forty-nine million, six hundred ninety-five thousand, three hundred eighty-nine".