149519836 has 12 divisors (see below), whose sum is σ = 261793728. Its totient is φ = 74721632.

The previous prime is 149519807. The next prime is 149519869. The reversal of 149519836 is 638915941.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 360 + ... + 17296.

It is an arithmetic number, because the mean of its divisors is an integer number (21816144).

Almost surely, 2^149519836 is an apocalyptic number.

It is an amenable number.

149519836 is a deficient number, since it is larger than the sum of its proper divisors (112273892).

149519836 is a wasteful number, since it uses less digits than its factorization.

149519836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19148 (or 19146 counting only the distinct ones).

The product of its digits is 233280, while the sum is 46.

The square root of 149519836 is about 12227.8303880942. The cubic root of 149519836 is about 530.7617336884.

The spelling of 149519836 in words is "one hundred forty-nine million, five hundred nineteen thousand, eight hundred thirty-six".