1368299353 has 4 divisors (see below), whose sum is σ = 1368385488. Its totient is φ = 1368213220.

The previous prime is 1368299329. The next prime is 1368299369. The reversal of 1368299353 is 3539928631.

It is a happy number.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3539928631 = 89 ⋅39774479.

It is a cyclic number.

It is not a de Polignac number, because 1368299353 - 2⁵ = 1368299321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1368299297 and 1368299306.

It is not an unprimeable number, because it can be changed into a prime (1368290353) 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, 11551 + ... + 53572.

It is an arithmetic number, because the mean of its divisors is an integer number (342096372).

Almost surely, 2^1368299353 is an apocalyptic number.

It is an amenable number.

1368299353 is a deficient number, since it is larger than the sum of its proper divisors (86135).

1368299353 is an equidigital number, since it uses as much as digits as its factorization.

1368299353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86134.

The product of its digits is 1049760, while the sum is 49.

The square root of 1368299353 is about 36990.5305855431. The cubic root of 1368299353 is about 1110.1807873160.

The spelling of 1368299353 in words is "one billion, three hundred sixty-eight million, two hundred ninety-nine thousand, three hundred fifty-three".