133349155 has 8 divisors (see below), whose sum is σ = 160195392. Its totient is φ = 106561728.

The previous prime is 133349143. The next prime is 133349191. The reversal of 133349155 is 551943331.

It is a happy number.

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 133349155 - 2⁵ = 133349123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133349155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9547 + ... + 18916.

It is an arithmetic number, because the mean of its divisors is an integer number (20024424).

Almost surely, 2^133349155 is an apocalyptic number.

133349155 is a deficient number, since it is larger than the sum of its proper divisors (26846237).

133349155 is an equidigital number, since it uses as much as digits as its factorization.

133349155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29405.

The product of its digits is 24300, while the sum is 34.

The square root of 133349155 is about 11547.6904617330. The cubic root of 133349155 is about 510.8931612838.

The spelling of 133349155 in words is "one hundred thirty-three million, three hundred forty-nine thousand, one hundred fifty-five".