135529538 has 8 divisors (see below), whose sum is σ = 205743888. Its totient is φ = 66948244.

The previous prime is 135529531. The next prime is 135529553. The reversal of 135529538 is 835925531.

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

It is a junction number, because it is equal to n+sod(n) for n = 135529495 and 135529504.

It is not an unprimeable number, because it can be changed into a prime (135529531) 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, 408056 + ... + 408387.

It is an arithmetic number, because the mean of its divisors is an integer number (25717986).

Almost surely, 2^135529538 is an apocalyptic number.

135529538 is a deficient number, since it is larger than the sum of its proper divisors (70214350).

135529538 is an equidigital number, since it uses as much as digits as its factorization.

135529538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816528.

The product of its digits is 162000, while the sum is 41.

The square root of 135529538 is about 11641.7154234245. The cubic root of 135529538 is about 513.6626476159.

The spelling of 135529538 in words is "one hundred thirty-five million, five hundred twenty-nine thousand, five hundred thirty-eight".