1334641261 has 8 divisors (see below), whose sum is σ = 1357297344. Its totient is φ = 1312103520.

The previous prime is 1334641207. The next prime is 1334641271. The reversal of 1334641261 is 1621464331.

It is a happy number.

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-1334641261 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 (1334641201) 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, 6691 + ... + 52096.

It is an arithmetic number, because the mean of its divisors is an integer number (169662168).

Almost surely, 2^1334641261 is an apocalyptic number.

It is an amenable number.

1334641261 is a deficient number, since it is larger than the sum of its proper divisors (22656083).

1334641261 is an equidigital number, since it uses as much as digits as its factorization.

1334641261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59171.

The product of its digits is 10368, while the sum is 31.

The square root of 1334641261 is about 36532.7423142583. The cubic root of 1334641261 is about 1101.0021888516.

The spelling of 1334641261 in words is "one billion, three hundred thirty-four million, six hundred forty-one thousand, two hundred sixty-one".