2315140140 has 48 divisors (see below), whose sum is σ = 6691507200. Its totient is φ = 597455040.

The previous prime is 2315140133. The next prime is 2315140159. The reversal of 2315140140 is 410415132.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 620490 + ... + 624209.

It is an arithmetic number, because the mean of its divisors is an integer number (139406400).

Almost surely, 2^2315140140 is an apocalyptic number.

2315140140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2315140140 is an abundant number, since it is smaller than the sum of its proper divisors (4376367060).

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

2315140140 is a wasteful number, since it uses less digits than its factorization.

2315140140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244742 (or 1244740 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2315140140 is about 48115.9031921879. The cubic root of 2315140140 is about 1322.8961776555.

Adding to 2315140140 its reverse (410415132), we get a palindrome (2725555272).

The spelling of 2315140140 in words is "two billion, three hundred fifteen million, one hundred forty thousand, one hundred forty".