1334130021 has 24 divisors (see below), whose sum is σ = 2283945664. Its totient is φ = 762359040.

The previous prime is 1334129999. The next prime is 1334130067. The reversal of 1334130021 is 1200314331.

1334130021 is a `hidden beast` number, since 1 + 3 + 341 + 300 + 21 = 666.

It is not a de Polignac number, because 1334130021 - 2⁵ = 1334129989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1334129976 and 1334130003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1334130071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390460 + ... + 393861.

Almost surely, 2^1334130021 is an apocalyptic number.

It is an amenable number.

1334130021 is a deficient number, since it is larger than the sum of its proper divisors (949815643).

1334130021 is an frugal number, since it uses more digits than its factorization.

1334130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784343 (or 784331 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1334130021 is about 36525.7446330667. The cubic root of 1334130021 is about 1100.8615897104.

Adding to 1334130021 its reverse (1200314331), we get a palindrome (2534444352).

The spelling of 1334130021 in words is "one billion, three hundred thirty-four million, one hundred thirty thousand, twenty-one".