133492906 has 8 divisors (see below), whose sum is σ = 200303424. Its totient is φ = 66725100.

The previous prime is 133492903. The next prime is 133492907. The reversal of 133492906 is 609294331.

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

It is not an unprimeable number, because it can be changed into a prime (133492901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1170 + ... + 16381.

It is an arithmetic number, because the mean of its divisors is an integer number (25037928).

Almost surely, 2^133492906 is an apocalyptic number.

133492906 is a deficient number, since it is larger than the sum of its proper divisors (66810518).

133492906 is a wasteful number, since it uses less digits than its factorization.

133492906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21356.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 133492906 is about 11553.9130168095. The cubic root of 133492906 is about 511.0766770788.

It can be divided in two parts, 133 and 492906, that added together give a cube (493039 = 79³).

The spelling of 133492906 in words is "one hundred thirty-three million, four hundred ninety-two thousand, nine hundred six".