1334171381 has 2 divisors, whose sum is σ = 1334171382. Its totient is φ = 1334171380.

The previous prime is 1334171369. The next prime is 1334171383. The reversal of 1334171381 is 1831714331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 685654225 + 648517156 = 26185^2 + 25466^2 .

It is an emirp because it is prime and its reverse (1831714331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1334171381 is a prime.

It is a super-2 number, since 2×1334171381² = 3560026547758894322, which contains 22 as substring.

Together with 1334171383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1334171383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667085690 + 667085691.

It is an arithmetic number, because the mean of its divisors is an integer number (667085691).

Almost surely, 2^1334171381 is an apocalyptic number.

It is an amenable number.

1334171381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1334171381 is an equidigital number, since it uses as much as digits as its factorization.

1334171381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 1334171381 is about 36526.3108046789. The cubic root of 1334171381 is about 1100.8729657043.

The spelling of 1334171381 in words is "one billion, three hundred thirty-four million, one hundred seventy-one thousand, three hundred eighty-one".