1356242353 has 4 divisors (see below), whose sum is σ = 1357558848. Its totient is φ = 1354925860.

The previous prime is 1356242351. The next prime is 1356242359. The reversal of 1356242353 is 3532426531.

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 1356242353 - 2¹ = 1356242351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1356242351) 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, 656701 + ... + 658762.

It is an arithmetic number, because the mean of its divisors is an integer number (339389712).

Almost surely, 2^1356242353 is an apocalyptic number.

It is an amenable number.

1356242353 is a deficient number, since it is larger than the sum of its proper divisors (1316495).

1356242353 is a wasteful number, since it uses less digits than its factorization.

1356242353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316494.

The product of its digits is 64800, while the sum is 34.

The square root of 1356242353 is about 36827.1958340572. The cubic root of 1356242353 is about 1106.9103140395.

Adding to 1356242353 its reverse (3532426531), we get a palindrome (4888668884).

The spelling of 1356242353 in words is "one billion, three hundred fifty-six million, two hundred forty-two thousand, three hundred fifty-three".