1345113441 has 12 divisors (see below), whose sum is σ = 2220504832. Its totient is φ = 768636216.

The previous prime is 1345113397. The next prime is 1345113461. The reversal of 1345113441 is 1443115431.

It is not a de Polignac number, because 1345113441 - 2⁶ = 1345113377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1345113461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10675441 + ... + 10675566.

Almost surely, 2^1345113441 is an apocalyptic number.

It is an amenable number.

1345113441 is a deficient number, since it is larger than the sum of its proper divisors (875391391).

1345113441 is a wasteful number, since it uses less digits than its factorization.

1345113441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21351020 (or 21351017 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1345113441 is about 36675.7882123888. The cubic root of 1345113441 is about 1103.8743383477.

Adding to 1345113441 its reverse (1443115431), we get a palindrome (2788228872).

The spelling of 1345113441 in words is "one billion, three hundred forty-five million, one hundred thirteen thousand, four hundred forty-one".