1365396481 has 4 divisors (see below), whose sum is σ = 1365601072. Its totient is φ = 1365191892.

The previous prime is 1365396479. The next prime is 1365396493. The reversal of 1365396481 is 1846935631.

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 1365396481 - 2¹ = 1365396479 is a prime.

It is a super-2 number, since 2×1365396481² = 3728615100654366722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1365396401) 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, 91935 + ... + 105748.

It is an arithmetic number, because the mean of its divisors is an integer number (341400268).

Almost surely, 2^1365396481 is an apocalyptic number.

It is an amenable number.

1365396481 is a deficient number, since it is larger than the sum of its proper divisors (204591).

1365396481 is an equidigital number, since it uses as much as digits as its factorization.

1365396481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204590.

The product of its digits is 466560, while the sum is 46.

The square root of 1365396481 is about 36951.2717101861. The cubic root of 1365396481 is about 1109.3951418796.

The spelling of 1365396481 in words is "one billion, three hundred sixty-five million, three hundred ninety-six thousand, four hundred eighty-one".