1326151263 has 16 divisors (see below), whose sum is σ = 1829629952. Its totient is φ = 853524000.

The previous prime is 1326151243. The next prime is 1326151289. The reversal of 1326151263 is 3621516231.

It is not a de Polignac number, because 1326151263 - 2⁵ = 1326151231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1326151263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326151223) 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 15 ways as a sum of consecutive naturals, for example, 22218 + ... + 56088.

It is an arithmetic number, because the mean of its divisors is an integer number (114351872).

Almost surely, 2^1326151263 is an apocalyptic number.

1326151263 is a deficient number, since it is larger than the sum of its proper divisors (503478689).

1326151263 is a wasteful number, since it uses less digits than its factorization.

1326151263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34326.

The product of its digits is 6480, while the sum is 30.

The square root of 1326151263 is about 36416.3598263198. The cubic root of 1326151263 is about 1098.6626344872.

Adding to 1326151263 its reverse (3621516231), we get a palindrome (4947667494).

The spelling of 1326151263 in words is "one billion, three hundred twenty-six million, one hundred fifty-one thousand, two hundred sixty-three".