1328545265 has 8 divisors (see below), whose sum is σ = 1678162560. Its totient is φ = 1006897392.

The previous prime is 1328545247. The next prime is 1328545319. The reversal of 1328545265 is 5625458231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1328545265 - 2⁶ = 1328545201 is a prime.

It is a super-3 number, since 3×1328545265³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6992249 + ... + 6992438.

It is an arithmetic number, because the mean of its divisors is an integer number (209770320).

Almost surely, 2^1328545265 is an apocalyptic number.

It is an amenable number.

1328545265 is a deficient number, since it is larger than the sum of its proper divisors (349617295).

1328545265 is a wasteful number, since it uses less digits than its factorization.

1328545265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13984711.

The product of its digits is 288000, while the sum is 41.

The square root of 1328545265 is about 36449.2148749462. The cubic root of 1328545265 is about 1099.3233483141.

The spelling of 1328545265 in words is "one billion, three hundred twenty-eight million, five hundred forty-five thousand, two hundred sixty-five".