1334155243 has 4 divisors (see below), whose sum is σ = 1404373960. Its totient is φ = 1263936528.

The previous prime is 1334155219. The next prime is 1334155253. The reversal of 1334155243 is 3425514331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1334155243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1334155253) 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 in 3 ways as a sum of consecutive naturals, for example, 35109330 + ... + 35109367.

It is an arithmetic number, because the mean of its divisors is an integer number (351093490).

Almost surely, 2^1334155243 is an apocalyptic number.

1334155243 is a deficient number, since it is larger than the sum of its proper divisors (70218717).

1334155243 is an equidigital number, since it uses as much as digits as its factorization.

1334155243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70218716.

The product of its digits is 21600, while the sum is 31.

The square root of 1334155243 is about 36526.0898947588. The cubic root of 1334155243 is about 1100.8685270043.

Adding to 1334155243 its reverse (3425514331), we get a palindrome (4759669574).

The spelling of 1334155243 in words is "one billion, three hundred thirty-four million, one hundred fifty-five thousand, two hundred forty-three".