133610131 has 2 divisors, whose sum is σ = 133610132. Its totient is φ = 133610130.

The previous prime is 133610117. The next prime is 133610167. The reversal of 133610131 is 131016331.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133610131 is a prime.

It is a super-2 number, since 2×133610131² = 35703334211674322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133610099 and 133610108.

It is not a weakly prime, because it can be changed into another prime (133610171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66805065 + 66805066.

It is an arithmetic number, because the mean of its divisors is an integer number (66805066).

Almost surely, 2^133610131 is an apocalyptic number.

133610131 is a deficient number, since it is larger than the sum of its proper divisors (1).

133610131 is an equidigital number, since it uses as much as digits as its factorization.

133610131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 133610131 is about 11558.9848602721. The cubic root of 133610131 is about 511.2262316810.

Adding to 133610131 its reverse (131016331), we get a palindrome (264626462).

The spelling of 133610131 in words is "one hundred thirty-three million, six hundred ten thousand, one hundred thirty-one".