133133235 has 16 divisors (see below), whose sum is σ = 214292736. Its totient is φ = 70577888.

The previous prime is 133133233. The next prime is 133133237. The reversal of 133133235 is 532331331.

It is an interprime number because it is at equal distance from previous prime (133133233) and next prime (133133237).

It is a cyclic number.

It is not a de Polignac number, because 133133235 - 2¹ = 133133233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133133233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24069 + ... + 29078.

It is an arithmetic number, because the mean of its divisors is an integer number (13393296).

Almost surely, 2^133133235 is an apocalyptic number.

133133235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133133235 is a deficient number, since it is larger than the sum of its proper divisors (81159501).

133133235 is a wasteful number, since it uses less digits than its factorization.

133133235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53322.

The product of its digits is 2430, while the sum is 24.

The square root of 133133235 is about 11538.3376185653. The cubic root of 133133235 is about 510.6172649114.

Adding to 133133235 its reverse (532331331), we get a palindrome (665464566).

The spelling of 133133235 in words is "one hundred thirty-three million, one hundred thirty-three thousand, two hundred thirty-five".