1310415540 has 96 divisors (see below), whose sum is σ = 4290908160. Its totient is φ = 292553856.

The previous prime is 1310415523. The next prime is 1310415559. The reversal of 1310415540 is 455140131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1310415540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18220 + ... + 54339.

It is an arithmetic number, because the mean of its divisors is an integer number (44696960).

Almost surely, 2^1310415540 is an apocalyptic number.

1310415540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310415540 is an abundant number, since it is smaller than the sum of its proper divisors (2980492620).

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

1310415540 is a wasteful number, since it uses less digits than its factorization.

1310415540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72621 (or 72619 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1310415540 is about 36199.6621531196. The cubic root of 1310415540 is about 1094.2998631009.

Adding to 1310415540 its reverse (455140131), we get a palindrome (1765555671).

The spelling of 1310415540 in words is "one billion, three hundred ten million, four hundred fifteen thousand, five hundred forty".