265133421139 has 4 divisors (see below), whose sum is σ = 265355663256. Its totient is φ = 264911179024.

The previous prime is 265133421107. The next prime is 265133421181. The reversal of 265133421139 is 931124331562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 265133421139 - 2⁵ = 265133421107 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265133461139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111119269 + ... + 111121654.

It is an arithmetic number, because the mean of its divisors is an integer number (66338915814).

Almost surely, 2^265133421139 is an apocalyptic number.

265133421139 is a deficient number, since it is larger than the sum of its proper divisors (222242117).

265133421139 is a wasteful number, since it uses less digits than its factorization.

265133421139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222242116.

The product of its digits is 116640, while the sum is 40.

The spelling of 265133421139 in words is "two hundred sixty-five billion, one hundred thirty-three million, four hundred twenty-one thousand, one hundred thirty-nine".