133331167 has 8 divisors (see below), whose sum is σ = 135075600. Its totient is φ = 131592384.

The previous prime is 133331147. The next prime is 133331173. The reversal of 133331167 is 761133331.

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

It is a cyclic number.

It is not a de Polignac number, because 133331167 - 2¹⁹ = 132806879 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 (133331147) 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 7 ways as a sum of consecutive naturals, for example, 66384 + ... + 68362.

It is an arithmetic number, because the mean of its divisors is an integer number (16884450).

Almost surely, 2^133331167 is an apocalyptic number.

133331167 is a deficient number, since it is larger than the sum of its proper divisors (1744433).

133331167 is an equidigital number, since it uses as much as digits as its factorization.

133331167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825.

The product of its digits is 3402, while the sum is 28.

The square root of 133331167 is about 11546.9115784265. The cubic root of 133331167 is about 510.8701881113.

Adding to 133331167 its reverse (761133331), we get a palindrome (894464498).

The spelling of 133331167 in words is "one hundred thirty-three million, three hundred thirty-one thousand, one hundred sixty-seven".