1357321853 has 4 divisors (see below), whose sum is σ = 1357602048. Its totient is φ = 1357041660.

The previous prime is 1357321841. The next prime is 1357321877. The reversal of 1357321853 is 3581237531.

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.

It is a cyclic number.

It is not a de Polignac number, because 1357321853 - 2²⁴ = 1340544637 is a prime.

It is a super-2 number, since 2×1357321853² = 3684645225262707218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357321813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132701 + ... + 142562.

It is an arithmetic number, because the mean of its divisors is an integer number (339400512).

Almost surely, 2^1357321853 is an apocalyptic number.

It is an amenable number.

1357321853 is a deficient number, since it is larger than the sum of its proper divisors (280195).

1357321853 is an equidigital number, since it uses as much as digits as its factorization.

1357321853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280194.

The product of its digits is 75600, while the sum is 38.

The square root of 1357321853 is about 36841.8492071177. The cubic root of 1357321853 is about 1107.2039176107.

The spelling of 1357321853 in words is "one billion, three hundred fifty-seven million, three hundred twenty-one thousand, eight hundred fifty-three".