1313440413 has 8 divisors (see below), whose sum is σ = 1751881248. Its totient is φ = 875313264.

The previous prime is 1313440411. The next prime is 1313440423. The reversal of 1313440413 is 3140443131.

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

It is not a de Polignac number, because 1313440413 - 2¹ = 1313440411 is a prime.

It is a super-2 number, since 2×1313440413² = 3450251437003221138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313440411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68470 + ... + 85527.

It is an arithmetic number, because the mean of its divisors is an integer number (218985156).

Almost surely, 2^1313440413 is an apocalyptic number.

It is an amenable number.

1313440413 is a deficient number, since it is larger than the sum of its proper divisors (438440835).

1313440413 is a wasteful number, since it uses less digits than its factorization.

1313440413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156843.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1313440413 is about 36241.4184738953. The cubic root of 1313440413 is about 1095.1412182081.

Adding to 1313440413 its reverse (3140443131), we get a palindrome (4453883544).

The spelling of 1313440413 in words is "one billion, three hundred thirteen million, four hundred forty thousand, four hundred thirteen".