135231302 has 16 divisors (see below), whose sum is σ = 211487760. Its totient is φ = 64794912.

The previous prime is 135231287. The next prime is 135231307. The reversal of 135231302 is 203132531.

135231302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135231307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10277 + ... + 19392.

It is an arithmetic number, because the mean of its divisors is an integer number (13217985).

Almost surely, 2^135231302 is an apocalyptic number.

135231302 is a deficient number, since it is larger than the sum of its proper divisors (76256458).

135231302 is a wasteful number, since it uses less digits than its factorization.

135231302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29767.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 135231302 is about 11628.8994320185. The cubic root of 135231302 is about 513.2855952496.

Adding to 135231302 its reverse (203132531), we get a palindrome (338363833).

The spelling of 135231302 in words is "one hundred thirty-five million, two hundred thirty-one thousand, three hundred two".