133145335 has 16 divisors (see below), whose sum is σ = 162177120. Its totient is φ = 104924160.

The previous prime is 133145323. The next prime is 133145347. The reversal of 133145335 is 533541331.

It is an interprime number because it is at equal distance from previous prime (133145323) and next prime (133145347).

It is not a de Polignac number, because 133145335 - 2¹¹ = 133143287 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192340 + ... + 193030.

It is an arithmetic number, because the mean of its divisors is an integer number (10136070).

Almost surely, 2^133145335 is an apocalyptic number.

133145335 is a deficient number, since it is larger than the sum of its proper divisors (29031785).

133145335 is an equidigital number, since it uses as much as digits as its factorization.

133145335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218.

The product of its digits is 8100, while the sum is 28.

The square root of 133145335 is about 11538.8619456166. The cubic root of 133145335 is about 510.6327338305.

Adding to 133145335 its reverse (533541331), we get a palindrome (666686666).

The spelling of 133145335 in words is "one hundred thirty-three million, one hundred forty-five thousand, three hundred thirty-five".