1345261132 has 12 divisors (see below), whose sum is σ = 2366534016. Its totient is φ = 669108560.

The previous prime is 1345261109. The next prime is 1345261147. The reversal of 1345261132 is 2311625431.

It is a self number, because there is not a number n which added to its sum of digits gives 1345261132.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 879643 + ... + 881170.

It is an arithmetic number, because the mean of its divisors is an integer number (197211168).

Almost surely, 2^1345261132 is an apocalyptic number.

It is an amenable number.

1345261132 is a deficient number, since it is larger than the sum of its proper divisors (1021272884).

1345261132 is a wasteful number, since it uses less digits than its factorization.

1345261132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761008 (or 1761006 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 1345261132 is about 36677.8016244158. The cubic root of 1345261132 is about 1103.9147379981.

Adding to 1345261132 its reverse (2311625431), we get a palindrome (3656886563).

The spelling of 1345261132 in words is "one billion, three hundred forty-five million, two hundred sixty-one thousand, one hundred thirty-two".