1328262265 has 32 divisors (see below), whose sum is σ = 1759864320. Its totient is φ = 954393600.

The previous prime is 1328262227. The next prime is 1328262269. The reversal of 1328262265 is 5622628231.

It is not a de Polignac number, because 1328262265 - 2²⁵ = 1294707833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1328262269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3081600 + ... + 3082030.

It is an arithmetic number, because the mean of its divisors is an integer number (54995760).

Almost surely, 2^1328262265 is an apocalyptic number.

It is an amenable number.

1328262265 is a deficient number, since it is larger than the sum of its proper divisors (431602055).

1328262265 is a wasteful number, since it uses less digits than its factorization.

1328262265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993.

The product of its digits is 69120, while the sum is 37.

The square root of 1328262265 is about 36445.3325543889. The cubic root of 1328262265 is about 1099.2452853358.

The spelling of 1328262265 in words is "one billion, three hundred twenty-eight million, two hundred sixty-two thousand, two hundred sixty-five".