135283523 has 4 divisors (see below), whose sum is σ = 135371208. Its totient is φ = 135195840.

The previous prime is 135283517. The next prime is 135283529. The reversal of 135283523 is 325382531.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (135283517) and next prime (135283529).

It is a cyclic number.

It is not a de Polignac number, because 135283523 - 2¹⁸ = 135021379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135283523.

It is not an unprimeable number, because it can be changed into a prime (135283529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41486 + ... + 44627.

It is an arithmetic number, because the mean of its divisors is an integer number (33842802).

Almost surely, 2^135283523 is an apocalyptic number.

135283523 is a deficient number, since it is larger than the sum of its proper divisors (87685).

135283523 is an equidigital number, since it uses as much as digits as its factorization.

135283523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87684.

The product of its digits is 21600, while the sum is 32.

The square root of 135283523 is about 11631.1445266577. The cubic root of 135283523 is about 513.3516569704.

The spelling of 135283523 in words is "one hundred thirty-five million, two hundred eighty-three thousand, five hundred twenty-three".