149361318 has 24 divisors (see below), whose sum is σ = 340649400. Its totient is φ = 47166624.

The previous prime is 149361307. The next prime is 149361361. The reversal of 149361318 is 813163941.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218023 + ... + 218706.

It is an arithmetic number, because the mean of its divisors is an integer number (14193725).

Almost surely, 2^149361318 is an apocalyptic number.

149361318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

149361318 is an abundant number, since it is smaller than the sum of its proper divisors (191288082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149361318 is a wasteful number, since it uses less digits than its factorization.

149361318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436756 (or 436753 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 149361318 is about 12221.3468161246. The cubic root of 149361318 is about 530.5740996346.

The spelling of 149361318 in words is "one hundred forty-nine million, three hundred sixty-one thousand, three hundred eighteen".