135151606 has 4 divisors (see below), whose sum is σ = 202727412. Its totient is φ = 67575802.

The previous prime is 135151561. The next prime is 135151609. The reversal of 135151606 is 606151531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 606151531 = 2251 ⋅269281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135151609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33787900 + ... + 33787903.

It is an arithmetic number, because the mean of its divisors is an integer number (50681853).

Almost surely, 2^135151606 is an apocalyptic number.

135151606 is a deficient number, since it is larger than the sum of its proper divisors (67575806).

135151606 is an equidigital number, since it uses as much as digits as its factorization.

135151606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67575805.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 135151606 is about 11625.4722914813. The cubic root of 135151606 is about 513.1847437290.

The spelling of 135151606 in words is "one hundred thirty-five million, one hundred fifty-one thousand, six hundred six".