133413967 has 4 divisors (see below), whose sum is σ = 134185320. Its totient is φ = 132642616.

The previous prime is 133413923. The next prime is 133413979. The reversal of 133413967 is 769314331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133413967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133413167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385417 + ... + 385762.

It is an arithmetic number, because the mean of its divisors is an integer number (33546330).

Almost surely, 2^133413967 is an apocalyptic number.

133413967 is a deficient number, since it is larger than the sum of its proper divisors (771353).

133413967 is an equidigital number, since it uses as much as digits as its factorization.

133413967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771352.

The product of its digits is 40824, while the sum is 37.

The square root of 133413967 is about 11550.4963962593. The cubic root of 133413967 is about 510.9759180750.

The spelling of 133413967 in words is "one hundred thirty-three million, four hundred thirteen thousand, nine hundred sixty-seven".