133634331 has 12 divisors (see below), whose sum is σ = 204382152. Its totient is φ = 83848896.

The previous prime is 133634323. The next prime is 133634339. The reversal of 133634331 is 133436331.

It is an interprime number because it is at equal distance from previous prime (133634323) and next prime (133634339).

It is not a de Polignac number, because 133634331 - 2³ = 133634323 is a prime.

It is a super-2 number, since 2×133634331² = 35716268843635122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133634295 and 133634304.

It is not an unprimeable number, because it can be changed into a prime (133634339) 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 11 ways as a sum of consecutive naturals, for example, 436561 + ... + 436866.

It is an arithmetic number, because the mean of its divisors is an integer number (17031846).

Almost surely, 2^133634331 is an apocalyptic number.

133634331 is a deficient number, since it is larger than the sum of its proper divisors (70747821).

133634331 is a wasteful number, since it uses less digits than its factorization.

133634331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873450 (or 873447 counting only the distinct ones).

The product of its digits is 5832, while the sum is 27.

The square root of 133634331 is about 11560.0316176038. The cubic root of 133634331 is about 511.2570949293.

The spelling of 133634331 in words is "one hundred thirty-three million, six hundred thirty-four thousand, three hundred thirty-one".