149128604 has 12 divisors (see below), whose sum is σ = 261323328. Its totient is φ = 74464800.

The previous prime is 149128597. The next prime is 149128669. The reversal of 149128604 is 406821941.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 21452 + ... + 27539.

It is an arithmetic number, because the mean of its divisors is an integer number (21776944).

Almost surely, 2^149128604 is an apocalyptic number.

It is an amenable number.

149128604 is a deficient number, since it is larger than the sum of its proper divisors (112194724).

149128604 is a wasteful number, since it uses less digits than its factorization.

149128604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49756 (or 49754 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 149128604 is about 12211.8223046358. The cubic root of 149128604 is about 530.2984008484.

The spelling of 149128604 in words is "one hundred forty-nine million, one hundred twenty-eight thousand, six hundred four".