133881602 has 8 divisors (see below), whose sum is σ = 201136656. Its totient is φ = 66836052.

The previous prime is 133881599. The next prime is 133881617. The reversal of 133881602 is 206188331.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50768 + ... + 53339.

It is an arithmetic number, because the mean of its divisors is an integer number (25142082).

Almost surely, 2^133881602 is an apocalyptic number.

133881602 is a deficient number, since it is larger than the sum of its proper divisors (67255054).

133881602 is a wasteful number, since it uses less digits than its factorization.

133881602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104752.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 133881602 is about 11570.7217579544. The cubic root of 133881602 is about 511.5722364024.

The spelling of 133881602 in words is "one hundred thirty-three million, eight hundred eighty-one thousand, six hundred two".