133875606 has 16 divisors (see below), whose sum is σ = 269550000. Its totient is φ = 44325408.

The previous prime is 133875563. The next prime is 133875607. The reversal of 133875606 is 606578331.

It is a super-3 number, since 3×133875606³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133875607) 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, 73981 + ... + 75768.

It is an arithmetic number, because the mean of its divisors is an integer number (16846875).

Almost surely, 2^133875606 is an apocalyptic number.

133875606 is an abundant number, since it is smaller than the sum of its proper divisors (135674394).

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

133875606 is a wasteful number, since it uses less digits than its factorization.

133875606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149903.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 133875606 is about 11570.4626528069. The cubic root of 133875606 is about 511.5645992243.

The spelling of 133875606 in words is "one hundred thirty-three million, eight hundred seventy-five thousand, six hundred six".