133457867 has 2 divisors, whose sum is σ = 133457868. Its totient is φ = 133457866.

The previous prime is 133457861. The next prime is 133457873. The reversal of 133457867 is 768754331.

It is a balanced prime because it is at equal distance from previous prime (133457861) and next prime (133457873).

It is a cyclic number.

It is not a de Polignac number, because 133457867 - 2⁴ = 133457851 is a prime.

It is a super-2 number, since 2×133457867² = 35622004528379378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133457861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66728933 + 66728934.

It is an arithmetic number, because the mean of its divisors is an integer number (66728934).

Almost surely, 2^133457867 is an apocalyptic number.

133457867 is a deficient number, since it is larger than the sum of its proper divisors (1).

133457867 is an equidigital number, since it uses as much as digits as its factorization.

133457867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 44.

The square root of 133457867 is about 11552.3965911840. The cubic root of 133457867 is about 511.0319576420.

It can be divided in two parts, 13345 and 7867, that added together give a palindrome (21212).

The spelling of 133457867 in words is "one hundred thirty-three million, four hundred fifty-seven thousand, eight hundred sixty-seven".