149713565 has 8 divisors (see below), whose sum is σ = 183479040. Its totient is φ = 117222352.

The previous prime is 149713549. The next prime is 149713567. The reversal of 149713565 is 565317941.

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 149713565 - 2⁴ = 149713549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149713567) 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, 318305 + ... + 318774.

It is an arithmetic number, because the mean of its divisors is an integer number (22934880).

Almost surely, 2^149713565 is an apocalyptic number.

It is an amenable number.

149713565 is a deficient number, since it is larger than the sum of its proper divisors (33765475).

149713565 is an equidigital number, since it uses as much as digits as its factorization.

149713565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637131.

The product of its digits is 113400, while the sum is 41.

The square root of 149713565 is about 12235.7494662158. The cubic root of 149713565 is about 530.9908661920.

The spelling of 149713565 in words is "one hundred forty-nine million, seven hundred thirteen thousand, five hundred sixty-five".