135009206 has 8 divisors (see below), whose sum is σ = 214426440. Its totient is φ = 63533728.

The previous prime is 135009197. The next prime is 135009299. The reversal of 135009206 is 602900531.

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

It is a congruent number.

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, 1985396 + ... + 1985463.

It is an arithmetic number, because the mean of its divisors is an integer number (26803305).

Almost surely, 2^135009206 is an apocalyptic number.

135009206 is a deficient number, since it is larger than the sum of its proper divisors (79417234).

135009206 is a wasteful number, since it uses less digits than its factorization.

135009206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970878.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 135009206 is about 11619.3461950318. The cubic root of 135009206 is about 513.0044445073.

Adding to 135009206 its reverse (602900531), we get a palindrome (737909737).

The spelling of 135009206 in words is "one hundred thirty-five million, nine thousand, two hundred six".