133040867 has 4 divisors (see below), whose sum is σ = 133093776. Its totient is φ = 132987960.

The previous prime is 133040857. The next prime is 133040881. The reversal of 133040867 is 768040331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133040867 - 2¹⁶ = 132975331 is a prime.

It is a super-2 number, since 2×133040867² = 35399744584223378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133040857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22484 + ... + 27777.

It is an arithmetic number, because the mean of its divisors is an integer number (33273444).

Almost surely, 2^133040867 is an apocalyptic number.

133040867 is a deficient number, since it is larger than the sum of its proper divisors (52909).

133040867 is an equidigital number, since it uses as much as digits as its factorization.

133040867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52908.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 133040867 is about 11534.3342677417. The cubic root of 133040867 is about 510.4991486315.

The spelling of 133040867 in words is "one hundred thirty-three million, forty thousand, eight hundred sixty-seven".