1313140433 has 4 divisors (see below), whose sum is σ = 1432516848. Its totient is φ = 1193764020.

The previous prime is 1313140399. The next prime is 1313140441. The reversal of 1313140433 is 3340413131.

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 1313140433 - 2⁸ = 1313140177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313140399 and 1313140408.

It is not an unprimeable number, because it can be changed into a prime (1313140453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59688191 + ... + 59688212.

It is an arithmetic number, because the mean of its divisors is an integer number (358129212).

Almost surely, 2^1313140433 is an apocalyptic number.

It is an amenable number.

1313140433 is a deficient number, since it is larger than the sum of its proper divisors (119376415).

1313140433 is a wasteful number, since it uses less digits than its factorization.

1313140433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119376414.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1313140433 is about 36237.2796026413. The cubic root of 1313140433 is about 1095.0578378296.

Adding to 1313140433 its reverse (3340413131), we get a palindrome (4653553564).

The spelling of 1313140433 in words is "one billion, three hundred thirteen million, one hundred forty thousand, four hundred thirty-three".