40392133 has 2 divisors, whose sum is σ = 40392134. Its totient is φ = 40392132.

The previous prime is 40392127. The next prime is 40392137. The reversal of 40392133 is 33129304.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37234404 + 3157729 = 6102^2 + 1777^2 .

It is a cyclic number.

It is not a de Polignac number, because 40392133 - 2⁹ = 40391621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40392098 and 40392107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40392137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20196066 + 20196067.

It is an arithmetic number, because the mean of its divisors is an integer number (20196067).

Almost surely, 2^40392133 is an apocalyptic number.

It is an amenable number.

40392133 is a deficient number, since it is larger than the sum of its proper divisors (1).

40392133 is an equidigital number, since it uses as much as digits as its factorization.

40392133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 40392133 is about 6355.4805483142. The cubic root of 40392133 is about 343.1091204802.

The spelling of 40392133 in words is "forty million, three hundred ninety-two thousand, one hundred thirty-three".