135256527 has 16 divisors (see below), whose sum is σ = 229006080. Its totient is φ = 77289336.

The previous prime is 135256507. The next prime is 135256529. The reversal of 135256527 is 725652531.

It is not a de Polignac number, because 135256527 - 2¹⁰ = 135255503 is a prime.

It is a super-2 number, since 2×135256527² = 36588656192203458, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 135256491 and 135256500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135256529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357633 + ... + 358010.

It is an arithmetic number, because the mean of its divisors is an integer number (14312880).

Almost surely, 2^135256527 is an apocalyptic number.

135256527 is a deficient number, since it is larger than the sum of its proper divisors (93749553).

135256527 is an equidigital number, since it uses as much as digits as its factorization.

135256527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715659 (or 715653 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 135256527 is about 11629.9839638754. The cubic root of 135256527 is about 513.3175080390.

The spelling of 135256527 in words is "one hundred thirty-five million, two hundred fifty-six thousand, five hundred twenty-seven".