135524402 has 8 divisors (see below), whose sum is σ = 218924076. Its totient is φ = 62549712.

The previous prime is 135524401. The next prime is 135524429. The reversal of 135524402 is 204425531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 135466321 + 58081 = 11639^2 + 241^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 5212477 = 135524402 / (1 + 3 + 5 + 5 + 2 + 4 + 4 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (135524401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2606213 + ... + 2606264.

Almost surely, 2^135524402 is an apocalyptic number.

135524402 is a deficient number, since it is larger than the sum of its proper divisors (83399674).

135524402 is a wasteful number, since it uses less digits than its factorization.

135524402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5212492.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 135524402 is about 11641.4948352864. The cubic root of 135524402 is about 513.6561589819.

Adding to 135524402 its reverse (204425531), we get a palindrome (339949933).

The spelling of 135524402 in words is "one hundred thirty-five million, five hundred twenty-four thousand, four hundred two".