2139580458 has 48 divisors (see below), whose sum is σ = 4912742016. Its totient is φ = 670654080.

The previous prime is 2139580427. The next prime is 2139580459. The reversal of 2139580458 is 8540859312.

2139580458 is a `hidden beast` number, since 2 + 13 + 9 + 580 + 4 + 58 = 666.

It is not an unprimeable number, because it can be changed into a prime (2139580459) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 463743 + ... + 468333.

It is an arithmetic number, because the mean of its divisors is an integer number (102348792).

Almost surely, 2^2139580458 is an apocalyptic number.

2139580458 is an abundant number, since it is smaller than the sum of its proper divisors (2773161558).

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

2139580458 is a wasteful number, since it uses less digits than its factorization.

2139580458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6139 (or 6136 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 2139580458 is about 46255.5992070149. The cubic root of 2139580458 is about 1288.5745241931.

The spelling of 2139580458 in words is "two billion, one hundred thirty-nine million, five hundred eighty thousand, four hundred fifty-eight".