1345886341 has 4 divisors (see below), whose sum is σ = 1348303212. Its totient is φ = 1343469472.

The previous prime is 1345886323. The next prime is 1345886351. The reversal of 1345886341 is 1436885431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 743380225 + 602506116 = 27265^2 + 24546^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1345886341 is a prime.

It is a super-2 number, since 2×1345886341² = 3622820085780736562, 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 (1345886351) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1207600 + ... + 1208713.

It is an arithmetic number, because the mean of its divisors is an integer number (337075803).

Almost surely, 2^1345886341 is an apocalyptic number.

It is an amenable number.

1345886341 is a deficient number, since it is larger than the sum of its proper divisors (2416871).

1345886341 is an equidigital number, since it uses as much as digits as its factorization.

1345886341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416870.

The product of its digits is 276480, while the sum is 43.

The square root of 1345886341 is about 36686.3236233886. The cubic root of 1345886341 is about 1104.0857259996.

It can be divided in two parts, 13458 and 86341, that added together give a palindrome (99799).

The spelling of 1345886341 in words is "one billion, three hundred forty-five million, eight hundred eighty-six thousand, three hundred forty-one".