2513765140 has 12 divisors (see below), whose sum is σ = 5278906836. Its totient is φ = 1005506048.

The previous prime is 2513765131. The next prime is 2513765159. The reversal of 2513765140 is 415673152.

It can be written as a sum of positive squares in 2 ways, for example, as 364886404 + 2148878736 = 19102^2 + 46356^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2513765096 and 2513765105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62844109 + ... + 62844148.

It is an arithmetic number, because the mean of its divisors is an integer number (439908903).

Almost surely, 2^2513765140 is an apocalyptic number.

2513765140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2513765140 is an abundant number, since it is smaller than the sum of its proper divisors (2765141696).

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

2513765140 is a wasteful number, since it uses less digits than its factorization.

2513765140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125688266 (or 125688264 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 2513765140 is about 50137.4624407738. The cubic root of 2513765140 is about 1359.6952063509.

The spelling of 2513765140 in words is "two billion, five hundred thirteen million, seven hundred sixty-five thousand, one hundred forty".