135156206 has 4 divisors (see below), whose sum is σ = 202734312. Its totient is φ = 67578102.

The previous prime is 135156169. The next prime is 135156251. The reversal of 135156206 is 602651531.

135156206 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 602651531 = 47 ⋅12822373.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33789050 + ... + 33789053.

It is an arithmetic number, because the mean of its divisors is an integer number (50683578).

Almost surely, 2^135156206 is an apocalyptic number.

135156206 is a deficient number, since it is larger than the sum of its proper divisors (67578106).

135156206 is an equidigital number, since it uses as much as digits as its factorization.

135156206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67578105.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 135156206 is about 11625.6701312225. The cubic root of 135156206 is about 513.1905658895.

The spelling of 135156206 in words is "one hundred thirty-five million, one hundred fifty-six thousand, two hundred six".