1313867426 has 4 divisors (see below), whose sum is σ = 1970801142. Its totient is φ = 656933712.

The previous prime is 1313867419. The next prime is 1313867449. The reversal of 1313867426 is 6247683131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6247683131 = 23 ⋅271638397.

It can be written as a sum of positive squares in only one way, i.e., 1119237025 + 194630401 = 33455^2 + 13951^2 .

It is a super-2 number, since 2×1313867426² = 3452495226207730952, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328466855 + ... + 328466858.

Almost surely, 2^1313867426 is an apocalyptic number.

1313867426 is a deficient number, since it is larger than the sum of its proper divisors (656933716).

1313867426 is an equidigital number, since it uses as much as digits as its factorization.

1313867426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656933715.

The product of its digits is 145152, while the sum is 41.

The square root of 1313867426 is about 36247.3092242721. The cubic root of 1313867426 is about 1095.2598859104.

The spelling of 1313867426 in words is "one billion, three hundred thirteen million, eight hundred sixty-seven thousand, four hundred twenty-six".