1315945123434 has 48 divisors (see below), whose sum is σ = 2870612994600. Its totient is φ = 435664521600.

The previous prime is 1315945123433. The next prime is 1315945123439. The reversal of 1315945123434 is 4343215495131.

1315945123434 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 94 + 5 + 123 + 434 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 391757069025 + 924188054409 = 625905^2 + 961347^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1315945123434.

It is not an unprimeable number, because it can be changed into a prime (1315945123433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50142964 + ... + 50169200.

Almost surely, 2^{1315945123434} is an apocalyptic number.

1315945123434 is an abundant number, since it is smaller than the sum of its proper divisors (1554667871166).

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

1315945123434 is a wasteful number, since it uses less digits than its factorization.

1315945123434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45095 (or 45092 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 1315945123434 in words is "one trillion, three hundred fifteen billion, nine hundred forty-five million, one hundred twenty-three thousand, four hundred thirty-four".