1310809420394 has 8 divisors (see below), whose sum is σ = 1966911625440. Its totient is φ = 655172211916.

The previous prime is 1310809420373. The next prime is 1310809420397. The reversal of 1310809420394 is 4930249080131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1310809420397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116242094 + ... + 116253369.

It is an arithmetic number, because the mean of its divisors is an integer number (245863953180).

Almost surely, 2^{1310809420394} is an apocalyptic number.

1310809420394 is a deficient number, since it is larger than the sum of its proper divisors (656102205046).

1310809420394 is a wasteful number, since it uses less digits than its factorization.

1310809420394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232498284.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 1310809420394 in words is "one trillion, three hundred ten billion, eight hundred nine million, four hundred twenty thousand, three hundred ninety-four".