40134373 has 2 divisors, whose sum is σ = 40134374. Its totient is φ = 40134372.

The previous prime is 40134371. The next prime is 40134421. The reversal of 40134373 is 37343104.

It is a happy number.

40134373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29778849 + 10355524 = 5457^2 + 3218^2 .

It is a cyclic number.

It is not a de Polignac number, because 40134373 - 2¹ = 40134371 is a prime.

It is a super-2 number, since 2×40134373² = 3221535792206258, which contains 22 as substring.

Together with 40134371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40134371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20067186 + 20067187.

It is an arithmetic number, because the mean of its divisors is an integer number (20067187).

Almost surely, 2^40134373 is an apocalyptic number.

It is an amenable number.

40134373 is a deficient number, since it is larger than the sum of its proper divisors (1).

40134373 is an equidigital number, since it uses as much as digits as its factorization.

40134373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 40134373 is about 6335.1695320646. The cubic root of 40134373 is about 342.3777189706.

Adding to 40134373 its reverse (37343104), we get a palindrome (77477477).

The spelling of 40134373 in words is "forty million, one hundred thirty-four thousand, three hundred seventy-three".