1313401560 has 64 divisors (see below), whose sum is σ = 3963859200. Its totient is φ = 348137856.

The previous prime is 1313401549. The next prime is 1313401571. The reversal of 1313401560 is 651043131.

It is an interprime number because it is at equal distance from previous prime (1313401549) and next prime (1313401571).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1313401560.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12730 + ... + 52809.

It is an arithmetic number, because the mean of its divisors is an integer number (61935300).

Almost surely, 2^1313401560 is an apocalyptic number.

1313401560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313401560 is an abundant number, since it is smaller than the sum of its proper divisors (2650457640).

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

1313401560 is a wasteful number, since it uses less digits than its factorization.

1313401560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65720 (or 65716 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1313401560 is about 36240.8824395875. The cubic root of 1313401560 is about 1095.1304196110.

Adding to 1313401560 its reverse (651043131), we get a palindrome (1964444691).

The spelling of 1313401560 in words is "one billion, three hundred thirteen million, four hundred one thousand, five hundred sixty".