1334143621 has 8 divisors (see below), whose sum is σ = 1379446784. Its totient is φ = 1288982160.

The previous prime is 1334143607. The next prime is 1334143639. The reversal of 1334143621 is 1263414331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1334143621 - 2²⁵ = 1300589189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1334143621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1334143021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16101 + ... + 54106.

It is an arithmetic number, because the mean of its divisors is an integer number (172430848).

Almost surely, 2^1334143621 is an apocalyptic number.

It is an amenable number.

1334143621 is a deficient number, since it is larger than the sum of its proper divisors (45303163).

1334143621 is an equidigital number, since it uses as much as digits as its factorization.

1334143621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70851.

The product of its digits is 5184, while the sum is 28.

The square root of 1334143621 is about 36525.9308026503. The cubic root of 1334143621 is about 1100.8653303920.

Adding to 1334143621 its reverse (1263414331), we get a palindrome (2597557952).

The spelling of 1334143621 in words is "one billion, three hundred thirty-four million, one hundred forty-three thousand, six hundred twenty-one".