1334135313421 has 4 divisors (see below), whose sum is σ = 1334159226844. Its totient is φ = 1334111400000.

The previous prime is 1334135313419. The next prime is 1334135313461. The reversal of 1334135313421 is 1243135314331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1232000102025 + 102135211396 = 1109955^2 + 319586^2 .

It is a cyclic number.

It is not a de Polignac number, because 1334135313421 - 2¹ = 1334135313419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1334135313461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11872830 + ... + 11984671.

It is an arithmetic number, because the mean of its divisors is an integer number (333539806711).

Almost surely, 2^{1334135313421} is an apocalyptic number.

It is an amenable number.

1334135313421 is a deficient number, since it is larger than the sum of its proper divisors (23913423).

1334135313421 is an equidigital number, since it uses as much as digits as its factorization.

1334135313421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23913422.

The product of its digits is 38880, while the sum is 34.

The spelling of 1334135313421 in words is "one trillion, three hundred thirty-four billion, one hundred thirty-five million, three hundred thirteen thousand, four hundred twenty-one".