133496047 has 4 divisors (see below), whose sum is σ = 133533400. Its totient is φ = 133458696.

The previous prime is 133496039. The next prime is 133496057. The reversal of 133496047 is 740694331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133496047 - 2³ = 133496039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133495997 and 133496015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133496057) 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, 12672 + ... + 20677.

It is an arithmetic number, because the mean of its divisors is an integer number (33383350).

Almost surely, 2^133496047 is an apocalyptic number.

133496047 is a deficient number, since it is larger than the sum of its proper divisors (37353).

133496047 is an equidigital number, since it uses as much as digits as its factorization.

133496047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37352.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 133496047 is about 11554.0489439850. The cubic root of 133496047 is about 511.0806854797.

The spelling of 133496047 in words is "one hundred thirty-three million, four hundred ninety-six thousand, forty-seven".