133908766 has 8 divisors (see below), whose sum is σ = 201045384. Its totient is φ = 66893640.

The previous prime is 133908743. The next prime is 133908767. The reversal of 133908766 is 667809331.

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

It is a super-2 number, since 2×133908766² = 35863115223285512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133908767) by changing a digit.

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, 27565 + ... + 32056.

It is an arithmetic number, because the mean of its divisors is an integer number (25130673).

Almost surely, 2^133908766 is an apocalyptic number.

133908766 is a deficient number, since it is larger than the sum of its proper divisors (67136618).

133908766 is a wasteful number, since it uses less digits than its factorization.

133908766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60746.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 133908766 is about 11571.8955232062. The cubic root of 133908766 is about 511.6068326633.

The spelling of 133908766 in words is "one hundred thirty-three million, nine hundred eight thousand, seven hundred sixty-six".