149513394 has 32 divisors (see below), whose sum is σ = 315449280. Its totient is φ = 47112192.

The previous prime is 149513359. The next prime is 149513401. The reversal of 149513394 is 493315941.

It is a happy number.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 64642 + ... + 66914.

It is an arithmetic number, because the mean of its divisors is an integer number (9857790).

Almost surely, 2^149513394 is an apocalyptic number.

149513394 is an abundant number, since it is smaller than the sum of its proper divisors (165935886).

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

149513394 is a wasteful number, since it uses less digits than its factorization.

149513394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874.

The product of its digits is 58320, while the sum is 39.

The square root of 149513394 is about 12227.5669697614. The cubic root of 149513394 is about 530.7541110294.

The spelling of 149513394 in words is "one hundred forty-nine million, five hundred thirteen thousand, three hundred ninety-four".