133885607 has 2 divisors, whose sum is σ = 133885608. Its totient is φ = 133885606.

The previous prime is 133885601. The next prime is 133885613. The reversal of 133885607 is 706588331.

It is a balanced prime because it is at equal distance from previous prime (133885601) and next prime (133885613).

It is an emirp because it is prime and its reverse (706588331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133885607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133885601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66942803 + 66942804.

It is an arithmetic number, because the mean of its divisors is an integer number (66942804).

Almost surely, 2^133885607 is an apocalyptic number.

133885607 is a deficient number, since it is larger than the sum of its proper divisors (1).

133885607 is an equidigital number, since it uses as much as digits as its factorization.

133885607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 133885607 is about 11570.8948227870. The cubic root of 133885607 is about 511.5773374926.

The spelling of 133885607 in words is "one hundred thirty-three million, eight hundred eighty-five thousand, six hundred seven".