135200523 has 32 divisors (see below), whose sum is σ = 198720000. Its totient is φ = 81430272.

The previous prime is 135200459. The next prime is 135200531. The reversal of 135200523 is 325002531.

It is not a de Polignac number, because 135200523 - 2⁶ = 135200459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135200523.

It is not an unprimeable number, because it can be changed into a prime (135201523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146658 + ... + 147576.

It is an arithmetic number, because the mean of its divisors is an integer number (6210000).

Almost surely, 2^135200523 is an apocalyptic number.

135200523 is a deficient number, since it is larger than the sum of its proper divisors (63519477).

135200523 is a wasteful number, since it uses less digits than its factorization.

135200523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 135200523 is about 11627.5759726609. The cubic root of 135200523 is about 513.2466505777.

The spelling of 135200523 in words is "one hundred thirty-five million, two hundred thousand, five hundred twenty-three".