1354668353 has 4 divisors (see below), whose sum is σ = 1354744020. Its totient is φ = 1354592688.

The previous prime is 1354668313. The next prime is 1354668391. The reversal of 1354668353 is 3538664531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3538664531 = 41 ⋅86308891.

It can be written as a sum of positive squares in 2 ways, for example, as 530519089 + 824149264 = 23033^2 + 28708^2 .

It is a cyclic number.

It is not a de Polignac number, because 1354668353 - 2¹⁶ = 1354602817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1354668313) 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, 5783 + ... + 52371.

It is an arithmetic number, because the mean of its divisors is an integer number (338686005).

Almost surely, 2^1354668353 is an apocalyptic number.

It is an amenable number.

1354668353 is a deficient number, since it is larger than the sum of its proper divisors (75667).

1354668353 is an equidigital number, since it uses as much as digits as its factorization.

1354668353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75666.

The product of its digits is 777600, while the sum is 44.

The square root of 1354668353 is about 36805.8195534348. The cubic root of 1354668353 is about 1106.4819365029.

The spelling of 1354668353 in words is "one billion, three hundred fifty-four million, six hundred sixty-eight thousand, three hundred fifty-three".