135225526 has 4 divisors (see below), whose sum is σ = 202838292. Its totient is φ = 67612762.

The previous prime is 135225523. The next prime is 135225529. The reversal of 135225526 is 625522531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 625522531 = 17 ⋅36795443.

It is an interprime number because it is at equal distance from previous prime (135225523) and next prime (135225529).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135225523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33806380 + ... + 33806383.

It is an arithmetic number, because the mean of its divisors is an integer number (50709573).

Almost surely, 2^135225526 is an apocalyptic number.

135225526 is a deficient number, since it is larger than the sum of its proper divisors (67612766).

135225526 is an equidigital number, since it uses as much as digits as its factorization.

135225526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67612765.

The product of its digits is 18000, while the sum is 31.

The square root of 135225526 is about 11628.6510825633. The cubic root of 135225526 is about 513.2782873266.

The spelling of 135225526 in words is "one hundred thirty-five million, two hundred twenty-five thousand, five hundred twenty-six".