149364009 has 6 divisors (see below), whose sum is σ = 215748026. Its totient is φ = 99576000.

The previous prime is 149363999. The next prime is 149364011. The reversal of 149364009 is 900463941.

149364009 is a `hidden beast` number, since 1 + 4 + 9 + 3 + 640 + 0 + 9 = 666.

149364009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 78854400 + 70509609 = 8880^2 + 8397^2 .

It is not a de Polignac number, because 149364009 - 2⁴ = 149363993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149364029) 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, 8297992 + ... + 8298009.

Almost surely, 2^149364009 is an apocalyptic number.

It is an amenable number.

149364009 is a deficient number, since it is larger than the sum of its proper divisors (66384017).

149364009 is a wasteful number, since it uses less digits than its factorization.

149364009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16596007 (or 16596004 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 149364009 is about 12221.4569098778. The cubic root of 149364009 is about 530.5772860159.

The spelling of 149364009 in words is "one hundred forty-nine million, three hundred sixty-four thousand, nine".