1313827794 has 24 divisors (see below), whose sum is σ = 2872747020. Its totient is φ = 433924128.

The previous prime is 1313827763. The next prime is 1313827799. The reversal of 1313827794 is 4977283131.

It can be written as a sum of positive squares in 2 ways, for example, as 1220454225 + 93373569 = 34935^2 + 9663^2 .

It is a super-2 number, since 2×1313827794² = 3452286944573812872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1313827799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 332857 + ... + 336780.

Almost surely, 2^1313827794 is an apocalyptic number.

1313827794 is an abundant number, since it is smaller than the sum of its proper divisors (1558919226).

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

1313827794 is a wasteful number, since it uses less digits than its factorization.

1313827794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669754 (or 669751 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 1313827794 is about 36246.7625312937. The cubic root of 1313827794 is about 1095.2488731869.

The spelling of 1313827794 in words is "one billion, three hundred thirteen million, eight hundred twenty-seven thousand, seven hundred ninety-four".