149128676 has 6 divisors (see below), whose sum is σ = 260975190. Its totient is φ = 74564336.

The previous prime is 149128669. The next prime is 149128717. The reversal of 149128676 is 676821941.

It can be written as a sum of positive squares in only one way, i.e., 126337600 + 22791076 = 11240^2 + 4774^2 .

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 as a sum of consecutive naturals, namely, 18641081 + ... + 18641088.

It is an arithmetic number, because the mean of its divisors is an integer number (43495865).

Almost surely, 2^149128676 is an apocalyptic number.

It is an amenable number.

149128676 is a deficient number, since it is larger than the sum of its proper divisors (111846514).

149128676 is a wasteful number, since it uses less digits than its factorization.

149128676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37282173 (or 37282171 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 149128676 is about 12211.8252525984. The cubic root of 149128676 is about 530.2984861919.

The spelling of 149128676 in words is "one hundred forty-nine million, one hundred twenty-eight thousand, six hundred seventy-six".