25754458130139 has 4 divisors (see below), whose sum is σ = 34339277506856. Its totient is φ = 17169638753424.

The previous prime is 25754458130017. The next prime is 25754458130209. The reversal of 25754458130139 is 93103185445752.

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

It is not a de Polignac number, because 25754458130139 - 2⁹ = 25754458129627 is a prime.

It is a super-2 number, since 2×25754458130139² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25754458130839) 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, 4292409688354 + ... + 4292409688359.

It is an arithmetic number, because the mean of its divisors is an integer number (8584819376714).

Almost surely, 2^{25754458130139} is an apocalyptic number.

25754458130139 is a deficient number, since it is larger than the sum of its proper divisors (8584819376717).

25754458130139 is an equidigital number, since it uses as much as digits as its factorization.

25754458130139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8584819376716.

The product of its (nonzero) digits is 18144000, while the sum is 57.

The spelling of 25754458130139 in words is "twenty-five trillion, seven hundred fifty-four billion, four hundred fifty-eight million, one hundred thirty thousand, one hundred thirty-nine".