2257130140 has 12 divisors (see below), whose sum is σ = 4739973336. Its totient is φ = 902852048.

The previous prime is 2257130111. The next prime is 2257130147. The reversal of 2257130140 is 410317522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257130147) 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, 56428234 + ... + 56428273.

It is an arithmetic number, because the mean of its divisors is an integer number (394997778).

Almost surely, 2^2257130140 is an apocalyptic number.

2257130140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2257130140 is an abundant number, since it is smaller than the sum of its proper divisors (2482843196).

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

2257130140 is a wasteful number, since it uses less digits than its factorization.

2257130140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112856516 (or 112856514 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2257130140 is about 47509.2637282457. The cubic root of 2257130140 is about 1311.7534044462.

Adding to 2257130140 its reverse (410317522), we get a palindrome (2667447662).

The spelling of 2257130140 in words is "two billion, two hundred fifty-seven million, one hundred thirty thousand, one hundred forty".