1364803397 has 4 divisors (see below), whose sum is σ = 1368736896. Its totient is φ = 1360869900.

The previous prime is 1364803387. The next prime is 1364803403. The reversal of 1364803397 is 7933084631.

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 1364803397 - 2²⁸ = 1096367941 is a prime.

It is a super-3 number, since 3×1364803397³ (a number of 28 digits) contains 333 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 (1364803327) 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, 1966229 + ... + 1966922.

It is an arithmetic number, because the mean of its divisors is an integer number (342184224).

Almost surely, 2^1364803397 is an apocalyptic number.

It is an amenable number.

1364803397 is a deficient number, since it is larger than the sum of its proper divisors (3933499).

1364803397 is an equidigital number, since it uses as much as digits as its factorization.

1364803397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3933498.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 1364803397 is about 36943.2456208168. The cubic root of 1364803397 is about 1109.2344901796.

The spelling of 1364803397 in words is "one billion, three hundred sixty-four million, eight hundred three thousand, three hundred ninety-seven".