1334243420 has 12 divisors (see below), whose sum is σ = 2801911224. Its totient is φ = 533697360.

The previous prime is 1334243401. The next prime is 1334243437. The reversal of 1334243420 is 243424331.

It is a self number, because there is not a number n which added to its sum of digits gives 1334243420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33356066 + ... + 33356105.

It is an arithmetic number, because the mean of its divisors is an integer number (233492602).

Almost surely, 2^1334243420 is an apocalyptic number.

1334243420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1334243420 is an abundant number, since it is smaller than the sum of its proper divisors (1467667804).

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

1334243420 is a wasteful number, since it uses less digits than its factorization.

1334243420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66712180 (or 66712178 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 1334243420 is about 36527.2969161420. The cubic root of 1334243420 is about 1100.8927793408.

Adding to 1334243420 its reverse (243424331), we get a palindrome (1577667751).

The spelling of 1334243420 in words is "one billion, three hundred thirty-four million, two hundred forty-three thousand, four hundred twenty".