2148130578 has 32 divisors (see below), whose sum is σ = 4723752960. Its totient is φ = 645820560.

The previous prime is 2148130561. The next prime is 2148130627. The reversal of 2148130578 is 8750318412.

It is a super-2 number, since 2×2148130578² = 9228929960277228168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119758 + ... + 136521.

It is an arithmetic number, because the mean of its divisors is an integer number (147617280).

Almost surely, 2^2148130578 is an apocalyptic number.

2148130578 is an abundant number, since it is smaller than the sum of its proper divisors (2575622382).

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

2148130578 is a wasteful number, since it uses less digits than its factorization.

2148130578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256422.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 2148130578 is about 46347.9295977717. The cubic root of 2148130578 is about 1290.2886956774.

The spelling of 2148130578 in words is "two billion, one hundred forty-eight million, one hundred thirty thousand, five hundred seventy-eight".