40705137 has 24 divisors (see below), whose sum is σ = 64527840. Its totient is φ = 24521280.

The previous prime is 40705127. The next prime is 40705153. The reversal of 40705137 is 73150704.

40705137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40705137 - 2⁶ = 40705073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40705137.

It is not an unprimeable number, because it can be changed into a prime (40705127) 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 in 23 ways as a sum of consecutive naturals, for example, 16573 + ... + 18869.

It is an arithmetic number, because the mean of its divisors is an integer number (2688660).

Almost surely, 2^40705137 is an apocalyptic number.

It is an amenable number.

40705137 is a deficient number, since it is larger than the sum of its proper divisors (23822703).

40705137 is a wasteful number, since it uses less digits than its factorization.

40705137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493 (or 2490 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 40705137 is about 6380.0577583592. The cubic root of 40705137 is about 343.9931070595.

The spelling of 40705137 in words is "forty million, seven hundred five thousand, one hundred thirty-seven".