2254797139 has 4 divisors (see below), whose sum is σ = 2576911024. Its totient is φ = 1932683256.

The previous prime is 2254797133. The next prime is 2254797151. The reversal of 2254797139 is 9317974522.

It is a happy number.

2254797139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9317974522 = 2 ⋅4658987261.

It is not a de Polignac number, because 2254797139 - 2¹⁷ = 2254666067 is a prime.

It is a super-2 number, since 2×2254797139² = 10168220276085170642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2254797092 and 2254797101.

It is not an unprimeable number, because it can be changed into a prime (2254797133) 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, 161056932 + ... + 161056945.

It is an arithmetic number, because the mean of its divisors is an integer number (644227756).

Almost surely, 2^2254797139 is an apocalyptic number.

2254797139 is a deficient number, since it is larger than the sum of its proper divisors (322113885).

2254797139 is an equidigital number, since it uses as much as digits as its factorization.

2254797139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322113884.

The product of its digits is 952560, while the sum is 49.

The square root of 2254797139 is about 47484.7042635837. The cubic root of 2254797139 is about 1311.3012998093.

The spelling of 2254797139 in words is "two billion, two hundred fifty-four million, seven hundred ninety-seven thousand, one hundred thirty-nine".