1345992853 has 4 divisors (see below), whose sum is σ = 1353040128. Its totient is φ = 1338945580.

The previous prime is 1345992839. The next prime is 1345992859. The reversal of 1345992853 is 3582995431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3582995431 = 211 ⋅16981021.

It is a cyclic number.

It is not a de Polignac number, because 1345992853 - 2²⁹ = 809121941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1345992797 and 1345992806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345992859) by changing a digit.

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, 3523351 + ... + 3523732.

It is an arithmetic number, because the mean of its divisors is an integer number (338260032).

Almost surely, 2^1345992853 is an apocalyptic number.

It is an amenable number.

1345992853 is a deficient number, since it is larger than the sum of its proper divisors (7047275).

1345992853 is an equidigital number, since it uses as much as digits as its factorization.

1345992853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7047274.

The product of its digits is 1166400, while the sum is 49.

The square root of 1345992853 is about 36687.7752528005. The cubic root of 1345992853 is about 1104.1148506176.

The spelling of 1345992853 in words is "one billion, three hundred forty-five million, nine hundred ninety-two thousand, eight hundred fifty-three".