1334691640 has 16 divisors (see below), whose sum is σ = 3003056280. Its totient is φ = 533876640.

The previous prime is 1334691637. The next prime is 1334691661. The reversal of 1334691640 is 461964331.

It is a self number, because there is not a number n which added to its sum of digits gives 1334691640.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16683606 + ... + 16683685.

Almost surely, 2^1334691640 is an apocalyptic number.

1334691640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1334691640 is an abundant number, since it is smaller than the sum of its proper divisors (1668364640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1334691640 is a wasteful number, since it uses less digits than its factorization.

1334691640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33367302 (or 33367298 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 1334691640 is about 36533.4318125193. The cubic root of 1334691640 is about 1101.0160419353.

It can be divided in two parts, 1334691 and 640, that added together give a palindrome (1335331).

The spelling of 1334691640 in words is "one billion, three hundred thirty-four million, six hundred ninety-one thousand, six hundred forty".