133975630 has 8 divisors (see below), whose sum is σ = 241156152. Its totient is φ = 53590248.

The previous prime is 133975579. The next prime is 133975643. The reversal of 133975630 is 36579331.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 133975630.

It is a congruent number.

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, 6698772 + ... + 6698791.

It is an arithmetic number, because the mean of its divisors is an integer number (30144519).

Almost surely, 2^133975630 is an apocalyptic number.

133975630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133975630 is a deficient number, since it is larger than the sum of its proper divisors (107180522).

133975630 is a wasteful number, since it uses less digits than its factorization.

133975630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13397570.

The product of its (nonzero) digits is 51030, while the sum is 37.

The square root of 133975630 is about 11574.7842312503. The cubic root of 133975630 is about 511.6919711951.

The spelling of 133975630 in words is "one hundred thirty-three million, nine hundred seventy-five thousand, six hundred thirty".