133610142 has 8 divisors (see below), whose sum is σ = 267220296. Its totient is φ = 44536712.

The previous prime is 133610131. The next prime is 133610167. The reversal of 133610142 is 241016331.

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

133610142 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 11134173 + ... + 11134184.

It is an arithmetic number, because the mean of its divisors is an integer number (33402537).

Almost surely, 2^133610142 is an apocalyptic number.

133610142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133610142 is a wasteful number, since it uses less digits than its factorization.

133610142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22268362.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 133610142 is about 11558.9853360924. The cubic root of 133610142 is about 511.2262457106.

Adding to 133610142 its reverse (241016331), we get a palindrome (374626473).

The spelling of 133610142 in words is "one hundred thirty-three million, six hundred ten thousand, one hundred forty-two".