135145522 has 8 divisors (see below), whose sum is σ = 202774572. Its totient is φ = 67554000.

The previous prime is 135145519. The next prime is 135145573. The reversal of 135145522 is 225541531.

It can be written as a sum of positive squares in 2 ways, for example, as 112763161 + 22382361 = 10619^2 + 4731^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2772 + ... + 16672.

Almost surely, 2^135145522 is an apocalyptic number.

135145522 is a deficient number, since it is larger than the sum of its proper divisors (67629050).

135145522 is a wasteful number, since it uses less digits than its factorization.

135145522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18764.

The product of its digits is 6000, while the sum is 28.

The square root of 135145522 is about 11625.2106217479. The cubic root of 135145522 is about 513.1770430859.

The spelling of 135145522 in words is "one hundred thirty-five million, one hundred forty-five thousand, five hundred twenty-two".