40912133 has 4 divisors (see below), whose sum is σ = 40925280. Its totient is φ = 40898988.

The previous prime is 40912129. The next prime is 40912141. The reversal of 40912133 is 33121904.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40912133 - 2² = 40912129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40912099 and 40912108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40912103) 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, 1016 + ... + 9102.

It is an arithmetic number, because the mean of its divisors is an integer number (10231320).

Almost surely, 2^40912133 is an apocalyptic number.

It is an amenable number.

40912133 is a deficient number, since it is larger than the sum of its proper divisors (13147).

40912133 is an equidigital number, since it uses as much as digits as its factorization.

40912133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13146.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 40912133 is about 6396.2592974331. The cubic root of 40912133 is about 344.5752189943.

The spelling of 40912133 in words is "forty million, nine hundred twelve thousand, one hundred thirty-three".