2558140139 has 4 divisors (see below), whose sum is σ = 2558465856. Its totient is φ = 2557814424.

The previous prime is 2558140129. The next prime is 2558140147. The reversal of 2558140139 is 9310418552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2558140139 - 2¹² = 2558136043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2558140129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150779 + ... + 166884.

It is an arithmetic number, because the mean of its divisors is an integer number (639616464).

Almost surely, 2^2558140139 is an apocalyptic number.

2558140139 is a deficient number, since it is larger than the sum of its proper divisors (325717).

2558140139 is an equidigital number, since it uses as much as digits as its factorization.

2558140139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325716.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 2558140139 is about 50578.0598580056. The cubic root of 2558140139 is about 1367.6493940017.

The spelling of 2558140139 in words is "two billion, five hundred fifty-eight million, one hundred forty thousand, one hundred thirty-nine".