133155079 has 4 divisors (see below), whose sum is σ = 133824400. Its totient is φ = 132485760.

The previous prime is 133155023. The next prime is 133155083. The reversal of 133155079 is 970551331.

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 133155079 - 2²³ = 124766471 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 (133155779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334362 + ... + 334759.

It is an arithmetic number, because the mean of its divisors is an integer number (33456100).

Almost surely, 2^133155079 is an apocalyptic number.

133155079 is a deficient number, since it is larger than the sum of its proper divisors (669321).

133155079 is an equidigital number, since it uses as much as digits as its factorization.

133155079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669320.

The product of its (nonzero) digits is 14175, while the sum is 34.

The square root of 133155079 is about 11539.2841632399. The cubic root of 133155079 is about 510.6451901037.

The spelling of 133155079 in words is "one hundred thirty-three million, one hundred fifty-five thousand, seventy-nine".