1345242131263 has 8 divisors (see below), whose sum is σ = 1347809888880. Its totient is φ = 1342676652480.

The previous prime is 1345242131239. The next prime is 1345242131287. The reversal of 1345242131263 is 3621312425431.

It is an interprime number because it is at equal distance from previous prime (1345242131239) and next prime (1345242131287).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1345242131263 - 2⁵ = 1345242131231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345242101263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614403 + ... + 1751563.

It is an arithmetic number, because the mean of its divisors is an integer number (168476236110).

Almost surely, 2^{1345242131263} is an apocalyptic number.

1345242131263 is a deficient number, since it is larger than the sum of its proper divisors (2567757617).

1345242131263 is a wasteful number, since it uses less digits than its factorization.

1345242131263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139417.

The product of its digits is 103680, while the sum is 37.

Adding to 1345242131263 its reverse (3621312425431), we get a palindrome (4966554556694).

The spelling of 1345242131263 in words is "one trillion, three hundred forty-five billion, two hundred forty-two million, one hundred thirty-one thousand, two hundred sixty-three".