1334991081 has 8 divisors (see below), whose sum is σ = 1780698240. Its totient is φ = 889638992.

The previous prime is 1334991071. The next prime is 1334991121. The reversal of 1334991081 is 1801994331.

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-1334991081 is a prime.

It is a super-2 number, since 2×1334991081² = 3564402372699097122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1334991071) 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, 79866 + ... + 95123.

It is an arithmetic number, because the mean of its divisors is an integer number (222587280).

Almost surely, 2^1334991081 is an apocalyptic number.

It is an amenable number.

1334991081 is a deficient number, since it is larger than the sum of its proper divisors (445707159).

1334991081 is a wasteful number, since it uses less digits than its factorization.

1334991081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177535.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 1334991081 is about 36537.5297605079. The cubic root of 1334991081 is about 1101.0983742339.

The spelling of 1334991081 in words is "one billion, three hundred thirty-four million, nine hundred ninety-one thousand, eighty-one".