133037687 has 2 divisors, whose sum is σ = 133037688. Its totient is φ = 133037686.

The previous prime is 133037651. The next prime is 133037689. The reversal of 133037687 is 786730331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133037687 - 2¹⁰ = 133036663 is a prime.

Together with 133037689, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133037687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133037689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66518843 + 66518844.

It is an arithmetic number, because the mean of its divisors is an integer number (66518844).

Almost surely, 2^133037687 is an apocalyptic number.

133037687 is a deficient number, since it is larger than the sum of its proper divisors (1).

133037687 is an equidigital number, since it uses as much as digits as its factorization.

133037687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 133037687 is about 11534.1964176097. The cubic root of 133037687 is about 510.4950812090.

The spelling of 133037687 in words is "one hundred thirty-three million, thirty-seven thousand, six hundred eighty-seven".