149336869 has 8 divisors (see below), whose sum is σ = 164260800. Its totient is φ = 135759580.

The previous prime is 149336849. The next prime is 149336879. The reversal of 149336869 is 968633941.

149336869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149336869 - 2⁷ = 149336741 is a prime.

It is a super-2 number, since 2×149336869² = 44603000885446322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149336809) 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, 54769 + ... + 57430.

It is an arithmetic number, because the mean of its divisors is an integer number (20532600).

Almost surely, 2^149336869 is an apocalyptic number.

It is an amenable number.

149336869 is a deficient number, since it is larger than the sum of its proper divisors (14923931).

149336869 is an equidigital number, since it uses as much as digits as its factorization.

149336869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112232 (or 112210 counting only the distinct ones).

The product of its digits is 839808, while the sum is 49.

The square root of 149336869 is about 12220.3465171819. The cubic root of 149336869 is about 530.5451481091.

The spelling of 149336869 in words is "one hundred forty-nine million, three hundred thirty-six thousand, eight hundred sixty-nine".