1328056263 has 8 divisors (see below), whose sum is σ = 1967490800. Its totient is φ = 885370824.

The previous prime is 1328056231. The next prime is 1328056273. The reversal of 1328056263 is 3626508231.

It is a happy number.

1328056263 is a `hidden beast` number, since 1 + 3 + 28 + 0 + 5 + 626 + 3 = 666.

It is not a de Polignac number, because 1328056263 - 2⁵ = 1328056231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328056273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24593608 + ... + 24593661.

It is an arithmetic number, because the mean of its divisors is an integer number (245936350).

Almost surely, 2^1328056263 is an apocalyptic number.

1328056263 is a deficient number, since it is larger than the sum of its proper divisors (639434537).

1328056263 is an equidigital number, since it uses as much as digits as its factorization.

1328056263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49187278 (or 49187272 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1328056263 is about 36442.5062667210. The cubic root of 1328056263 is about 1099.1884545826.

The spelling of 1328056263 in words is "one billion, three hundred twenty-eight million, fifty-six thousand, two hundred sixty-three".