149218713 has 32 divisors (see below), whose sum is σ = 255179520. Its totient is φ = 84412800.

The previous prime is 149218661. The next prime is 149218759. The reversal of 149218713 is 317812941.

It is a happy number.

149218713 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 149218713 - 2¹⁴ = 149202329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149218763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15181 + ... + 22997.

It is an arithmetic number, because the mean of its divisors is an integer number (7974360).

Almost surely, 2^149218713 is an apocalyptic number.

It is an amenable number.

149218713 is a deficient number, since it is larger than the sum of its proper divisors (105960807).

149218713 is a wasteful number, since it uses less digits than its factorization.

149218713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7934 (or 7928 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 149218713 is about 12215.5111640897. The cubic root of 149218713 is about 530.4051879573.

The spelling of 149218713 in words is "one hundred forty-nine million, two hundred eighteen thousand, seven hundred thirteen".