149634407 has 8 divisors (see below), whose sum is σ = 161297136. Its totient is φ = 137993472.

The previous prime is 149634377. The next prime is 149634413. The reversal of 149634407 is 704436941.

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 149634407 - 2¹⁴ = 149618023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149631407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10583 + ... + 20279.

It is an arithmetic number, because the mean of its divisors is an integer number (20162142).

Almost surely, 2^149634407 is an apocalyptic number.

149634407 is a deficient number, since it is larger than the sum of its proper divisors (11662729).

149634407 is a wasteful number, since it uses less digits than its factorization.

149634407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10897.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 149634407 is about 12232.5143367993. The cubic root of 149634407 is about 530.8972661564.

The spelling of 149634407 in words is "one hundred forty-nine million, six hundred thirty-four thousand, four hundred seven".