1315499689140 has 96 divisors (see below), whose sum is σ = 4533414332160. Its totient is φ = 277555977216.

The previous prime is 1315499689139. The next prime is 1315499689177. The reversal of 1315499689140 is 419869945131.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 120461545 + ... + 120472464.

It is an arithmetic number, because the mean of its divisors is an integer number (47223065960).

Almost surely, 2^{1315499689140} is an apocalyptic number.

1315499689140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315499689140 is an abundant number, since it is smaller than the sum of its proper divisors (3217914643020).

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

1315499689140 is a wasteful number, since it uses less digits than its factorization.

1315499689140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240934041 (or 240934039 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 60.

The spelling of 1315499689140 in words is "one trillion, three hundred fifteen billion, four hundred ninety-nine million, six hundred eighty-nine thousand, one hundred forty".