135715527 has 8 divisors (see below), whose sum is σ = 201060080. Its totient is φ = 90477000.

The previous prime is 135715511. The next prime is 135715543. The reversal of 135715527 is 725517531.

It is a happy number.

135715527 is a `hidden beast` number, since 1 + 35 + 71 + 552 + 7 = 666.

135715527 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (135715511) and next prime (135715543).

It is not a de Polignac number, because 135715527 - 2⁴ = 135715511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135715491 and 135715500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135715597) 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, 2513224 + ... + 2513277.

It is an arithmetic number, because the mean of its divisors is an integer number (25132510).

Almost surely, 2^135715527 is an apocalyptic number.

135715527 is a deficient number, since it is larger than the sum of its proper divisors (65344553).

135715527 is an equidigital number, since it uses as much as digits as its factorization.

135715527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5026510 (or 5026504 counting only the distinct ones).

The product of its digits is 36750, while the sum is 36.

The square root of 135715527 is about 11649.7007257697. The cubic root of 135715527 is about 513.8975089243.

The spelling of 135715527 in words is "one hundred thirty-five million, seven hundred fifteen thousand, five hundred twenty-seven".