1345040131352 has 32 divisors (see below), whose sum is σ = 2544755097600. Its totient is φ = 666451052064.

The previous prime is 1345040131349. The next prime is 1345040131403. The reversal of 1345040131352 is 2531310405431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109799 + ... + 1643817.

It is an arithmetic number, because the mean of its divisors is an integer number (79523596800).

Almost surely, 2^{1345040131352} is an apocalyptic number.

It is an amenable number.

1345040131352 is a deficient number, since it is larger than the sum of its proper divisors (1199714966248).

1345040131352 is a wasteful number, since it uses less digits than its factorization.

1345040131352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535015 (or 1535011 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 1345040131352 its reverse (2531310405431), we get a palindrome (3876350536783).

The spelling of 1345040131352 in words is "one trillion, three hundred forty-five billion, forty million, one hundred thirty-one thousand, three hundred fifty-two".