135522113 has 8 divisors (see below), whose sum is σ = 146202408. Its totient is φ = 125142784.

The previous prime is 135522089. The next prime is 135522131. The reversal of 135522113 is 311225531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 79691329 + 55830784 = 8927^2 + 7472^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135522113 is a prime.

It is a super-2 number, since 2×135522113² = 36732486223969538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135522913) 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, 74306 + ... + 76107.

It is an arithmetic number, because the mean of its divisors is an integer number (18275301).

Almost surely, 2^135522113 is an apocalyptic number.

It is an amenable number.

135522113 is a deficient number, since it is larger than the sum of its proper divisors (10680295).

135522113 is a wasteful number, since it uses less digits than its factorization.

135522113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150483.

The product of its digits is 900, while the sum is 23.

The square root of 135522113 is about 11641.3965227545. The cubic root of 135522113 is about 513.6532670905.

Adding to 135522113 its reverse (311225531), we get a palindrome (446747644).

The spelling of 135522113 in words is "one hundred thirty-five million, five hundred twenty-two thousand, one hundred thirteen".