135025311 has 8 divisors (see below), whose sum is σ = 180781744. Its totient is φ = 89642880.

The previous prime is 135025283. The next prime is 135025337. The reversal of 135025311 is 113520531.

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

It is not a de Polignac number, because 135025311 - 2¹⁰ = 135024287 is a prime.

It is a super-2 number, since 2×135025311² = 36463669221293442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135025211) 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, 92656 + ... + 94101.

It is an arithmetic number, because the mean of its divisors is an integer number (22597718).

Almost surely, 2^135025311 is an apocalyptic number.

135025311 is a deficient number, since it is larger than the sum of its proper divisors (45756433).

135025311 is a wasteful number, since it uses less digits than its factorization.

135025311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187001.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 135025311 is about 11620.0391995896. The cubic root of 135025311 is about 513.0248421486.

Adding to 135025311 its reverse (113520531), we get a palindrome (248545842).

The spelling of 135025311 in words is "one hundred thirty-five million, twenty-five thousand, three hundred eleven".