135426522 has 128 divisors (see below), whose sum is σ = 366778368. Its totient is φ = 32256000.

The previous prime is 135426517. The next prime is 135426523. The reversal of 135426522 is 225624531.

It is a super-2 number, since 2×135426522² = 36680685722032968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135426522.

It is not an unprimeable number, because it can be changed into a prime (135426523) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 337522 + ... + 337922.

It is an arithmetic number, because the mean of its divisors is an integer number (2865456).

Almost surely, 2^135426522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135426522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183389184).

135426522 is an abundant number, since it is smaller than the sum of its proper divisors (231351846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135426522 is a wasteful number, since it uses less digits than its factorization.

135426522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484.

The product of its digits is 14400, while the sum is 30.

The square root of 135426522 is about 11637.2901484839. The cubic root of 135426522 is about 513.5324696370.

The spelling of 135426522 in words is "one hundred thirty-five million, four hundred twenty-six thousand, five hundred twenty-two".