135531002 has 8 divisors (see below), whose sum is σ = 203428596. Its totient is φ = 67721472.

The previous prime is 135530999. The next prime is 135531029. The reversal of 135531002 is 200135531.

It can be written as a sum of positive squares in 2 ways, for example, as 133425601 + 2105401 = 11551^2 + 1451^2 .

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

It is an unprimeable number.

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, 18023 + ... + 24410.

Almost surely, 2^135531002 is an apocalyptic number.

135531002 is a deficient number, since it is larger than the sum of its proper divisors (67897594).

135531002 is a wasteful number, since it uses less digits than its factorization.

135531002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44032.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 135531002 is about 11641.7783005862. The cubic root of 135531002 is about 513.6644971497.

Adding to 135531002 its reverse (200135531), we get a palindrome (335666533).

The spelling of 135531002 in words is "one hundred thirty-five million, five hundred thirty-one thousand, two".