1345254321535 has 4 divisors (see below), whose sum is σ = 1614305185848. Its totient is φ = 1076203457224.

The previous prime is 1345254321517. The next prime is 1345254321569. The reversal of 1345254321535 is 5351234525431.

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

It is a cyclic number.

It is not a de Polignac number, because 1345254321535 - 2³⁷ = 1207815368063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1345254321491 and 1345254321500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134525432149 + ... + 134525432158.

It is an arithmetic number, because the mean of its divisors is an integer number (403576296462).

Almost surely, 2^{1345254321535} is an apocalyptic number.

1345254321535 is a deficient number, since it is larger than the sum of its proper divisors (269050864313).

1345254321535 is an equidigital number, since it uses as much as digits as its factorization.

1345254321535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269050864312.

The product of its digits is 1080000, while the sum is 43.

Adding to 1345254321535 its reverse (5351234525431), we get a palindrome (6696488846966).

The spelling of 1345254321535 in words is "one trillion, three hundred forty-five billion, two hundred fifty-four million, three hundred twenty-one thousand, five hundred thirty-five".