2565920135 has 8 divisors (see below), whose sum is σ = 3212978400. Its totient is φ = 1963486624.

The previous prime is 2565920057. The next prime is 2565920153. The reversal of 2565920135 is 5310295652.

2565920135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2565920135 - 2¹⁴ = 2565903751 is a prime.

It is a super-2 number, since 2×2565920135² = 13167892278396836450, which contains 22 as substring.

It is a congruent number.

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, 11156060 + ... + 11156289.

It is an arithmetic number, because the mean of its divisors is an integer number (401622300).

Almost surely, 2^2565920135 is an apocalyptic number.

2565920135 is a deficient number, since it is larger than the sum of its proper divisors (647058265).

2565920135 is a wasteful number, since it uses less digits than its factorization.

2565920135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22312377.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 2565920135 is about 50654.9122494551. The cubic root of 2565920135 is about 1369.0344547284.

The spelling of 2565920135 in words is "two billion, five hundred sixty-five million, nine hundred twenty thousand, one hundred thirty-five".