135041523 has 8 divisors (see below), whose sum is σ = 190646928. Its totient is φ = 84731904.

The previous prime is 135041519. The next prime is 135041537. The reversal of 135041523 is 325140531.

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

It is not a de Polignac number, because 135041523 - 2² = 135041519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135041493 and 135041502.

It is not an unprimeable number, because it can be changed into a prime (135041563) 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, 1323886 + ... + 1323987.

It is an arithmetic number, because the mean of its divisors is an integer number (23830866).

Almost surely, 2^135041523 is an apocalyptic number.

135041523 is a deficient number, since it is larger than the sum of its proper divisors (55605405).

135041523 is a wasteful number, since it uses less digits than its factorization.

135041523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647893.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 135041523 is about 11620.7367666598. The cubic root of 135041523 is about 513.0453736717.

The spelling of 135041523 in words is "one hundred thirty-five million, forty-one thousand, five hundred twenty-three".