28383134148 has 36 divisors (see below), whose sum is σ = 71769099948. Its totient is φ = 9458032320.

The previous prime is 28383134123. The next prime is 28383134183. The reversal of 28383134148 is 84143138382.

It can be written as a sum of positive squares in 2 ways, for example, as 3002820804 + 25380313344 = 54798^2 + 159312^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9411 + ... + 238442.

Almost surely, 2^28383134148 is an apocalyptic number.

It is an amenable number.

28383134148 is an abundant number, since it is smaller than the sum of its proper divisors (43385965800).

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

28383134148 is a wasteful number, since it uses less digits than its factorization.

28383134148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251044 (or 251039 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The spelling of 28383134148 in words is "twenty-eight billion, three hundred eighty-three million, one hundred thirty-four thousand, one hundred forty-eight".