133135142 has 16 divisors (see below), whose sum is σ = 235594752. Its totient is φ = 55217160.

The previous prime is 133135133. The next prime is 133135157. The reversal of 133135142 is 241531331.

133135142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152948 + ... + 153815.

It is an arithmetic number, because the mean of its divisors is an integer number (14724672).

Almost surely, 2^133135142 is an apocalyptic number.

133135142 is a deficient number, since it is larger than the sum of its proper divisors (102459610).

133135142 is a wasteful number, since it uses less digits than its factorization.

133135142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306803.

The product of its digits is 1080, while the sum is 23.

The square root of 133135142 is about 11538.4202558236. The cubic root of 133135142 is about 510.6197029264.

Adding to 133135142 its reverse (241531331), we get a palindrome (374666473).

The spelling of 133135142 in words is "one hundred thirty-three million, one hundred thirty-five thousand, one hundred forty-two".