1313896061 has 4 divisors (see below), whose sum is σ = 1314038592. Its totient is φ = 1313753532.

The previous prime is 1313896043. The next prime is 1313896097. The reversal of 1313896061 is 1606983131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1313896061 - 2⁶ = 1313895997 is a prime.

It is a super-2 number, since 2×1313896061² = 3452645718222631442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313896021) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 56405 + ... + 76218.

It is an arithmetic number, because the mean of its divisors is an integer number (328509648).

Almost surely, 2^1313896061 is an apocalyptic number.

It is an amenable number.

1313896061 is a deficient number, since it is larger than the sum of its proper divisors (142531).

1313896061 is an equidigital number, since it uses as much as digits as its factorization.

1313896061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142530.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 1313896061 is about 36247.7042169570. The cubic root of 1313896061 is about 1095.2678427099.

The spelling of 1313896061 in words is "one billion, three hundred thirteen million, eight hundred ninety-six thousand, sixty-one".