133398167 has 8 divisors (see below), whose sum is σ = 161423136. Its totient is φ = 107615232.

The previous prime is 133398149. The next prime is 133398179. The reversal of 133398167 is 761893331.

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 133398167 - 2⁶ = 133398103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133398127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560378 + ... + 560615.

It is an arithmetic number, because the mean of its divisors is an integer number (20177892).

Almost surely, 2^133398167 is an apocalyptic number.

133398167 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

133398167 is a deficient number, since it is larger than the sum of its proper divisors (28024969).

133398167 is a wasteful number, since it uses less digits than its factorization.

133398167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121017.

The product of its digits is 81648, while the sum is 41.

The square root of 133398167 is about 11549.8124227193. The cubic root of 133398167 is about 510.9557459285.

The spelling of 133398167 in words is "one hundred thirty-three million, three hundred ninety-eight thousand, one hundred sixty-seven".