1343005263 has 6 divisors (see below), whose sum is σ = 1939896504. Its totient is φ = 895336836.

The previous prime is 1343005249. The next prime is 1343005267. The reversal of 1343005263 is 3625003431.

It is a happy number.

1343005263 is a `hidden beast` number, since 134 + 3 + 0 + 0 + 526 + 3 = 666.

It is not a de Polignac number, because 1343005263 - 2⁶ = 1343005199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343005267) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74611395 + ... + 74611412.

It is an arithmetic number, because the mean of its divisors is an integer number (323316084).

Almost surely, 2^1343005263 is an apocalyptic number.

1343005263 is a deficient number, since it is larger than the sum of its proper divisors (596891241).

1343005263 is a wasteful number, since it uses less digits than its factorization.

1343005263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149222813 (or 149222810 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 1343005263 is about 36647.0362103131. The cubic root of 1343005263 is about 1103.2973410574.

Adding to 1343005263 its reverse (3625003431), we get a palindrome (4968008694).

The spelling of 1343005263 in words is "one billion, three hundred forty-three million, five thousand, two hundred sixty-three".