133315135 has 8 divisors (see below), whose sum is σ = 160816896. Its totient is φ = 106092960.

The previous prime is 133315121. The next prime is 133315141. The reversal of 133315135 is 531513331.

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

It is not a de Polignac number, because 133315135 - 2¹⁵ = 133282367 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 68844 + ... + 70753.

It is an arithmetic number, because the mean of its divisors is an integer number (20102112).

Almost surely, 2^133315135 is an apocalyptic number.

133315135 is a deficient number, since it is larger than the sum of its proper divisors (27501761).

133315135 is a wasteful number, since it uses less digits than its factorization.

133315135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139793.

The product of its digits is 2025, while the sum is 25.

The square root of 133315135 is about 11546.2173459536. The cubic root of 133315135 is about 510.8497112807.

Adding to 133315135 its reverse (531513331), we get a palindrome (664828466).

The spelling of 133315135 in words is "one hundred thirty-three million, three hundred fifteen thousand, one hundred thirty-five".