1357340353 has 4 divisors (see below), whose sum is σ = 1364923440. Its totient is φ = 1349757268.

The previous prime is 1357340351. The next prime is 1357340381. The reversal of 1357340353 is 3530437531.

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 1357340353 - 2¹ = 1357340351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1357340351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3791275 + ... + 3791632.

It is an arithmetic number, because the mean of its divisors is an integer number (341230860).

Almost surely, 2^1357340353 is an apocalyptic number.

It is an amenable number.

1357340353 is a deficient number, since it is larger than the sum of its proper divisors (7583087).

1357340353 is an equidigital number, since it uses as much as digits as its factorization.

1357340353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7583086.

The product of its (nonzero) digits is 56700, while the sum is 34.

The square root of 1357340353 is about 36842.1002794358. The cubic root of 1357340353 is about 1107.2089479036.

Adding to 1357340353 its reverse (3530437531), we get a palindrome (4887777884).

The spelling of 1357340353 in words is "one billion, three hundred fifty-seven million, three hundred forty thousand, three hundred fifty-three".