1334066381 has 8 divisors (see below), whose sum is σ = 1461249720. Its totient is φ = 1212295168.

The previous prime is 1334066353. The next prime is 1334066389. The reversal of 1334066381 is 1836604331.

It can be written as a sum of positive squares in 4 ways, for example, as 301022500 + 1033043881 = 17350^2 + 32141^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1334066381 is a prime.

It is a super-2 number, since 2×1334066381² = 3559466217828874322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1334066389) 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, 1352516 + ... + 1353501.

It is an arithmetic number, because the mean of its divisors is an integer number (182656215).

Almost surely, 2^1334066381 is an apocalyptic number.

It is an amenable number.

1334066381 is a deficient number, since it is larger than the sum of its proper divisors (127183339).

1334066381 is a wasteful number, since it uses less digits than its factorization.

1334066381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706063.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 1334066381 is about 36524.8734563174. The cubic root of 1334066381 is about 1100.8440851833.

The spelling of 1334066381 in words is "one billion, three hundred thirty-four million, sixty-six thousand, three hundred eighty-one".