1334020393 has 4 divisors (see below), whose sum is σ = 1342973700. Its totient is φ = 1325067088.

The previous prime is 1334020367. The next prime is 1334020417. The reversal of 1334020393 is 3930204331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3930204331 = 1583 ⋅2482757.

It can be written as a sum of positive squares in 2 ways, for example, as 432099369 + 901921024 = 20787^2 + 30032^2 .

It is a cyclic number.

It is not a de Polignac number, because 1334020393 - 2⁵ = 1334020361 is a prime.

It is a super-2 number, since 2×1334020393² = 3559220817879748898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1334021393) 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, 4476430 + ... + 4476727.

It is an arithmetic number, because the mean of its divisors is an integer number (335743425).

Almost surely, 2^1334020393 is an apocalyptic number.

It is an amenable number.

1334020393 is a deficient number, since it is larger than the sum of its proper divisors (8953307).

1334020393 is an equidigital number, since it uses as much as digits as its factorization.

1334020393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8953306.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 1334020393 is about 36524.2439073008. The cubic root of 1334020393 is about 1100.8314355880.

It can be divided in two parts, 13340 and 20393, that added together give a palindrome (33733).

The spelling of 1334020393 in words is "one billion, three hundred thirty-four million, twenty thousand, three hundred ninety-three".