40113687 has 8 divisors (see below), whose sum is σ = 54391680. Its totient is φ = 26289080.

The previous prime is 40113677. The next prime is 40113707. The reversal of 40113687 is 78631104.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40113687 - 2¹¹ = 40111639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40113677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113139 + ... + 113492.

It is an arithmetic number, because the mean of its divisors is an integer number (6798960).

Almost surely, 2^40113687 is an apocalyptic number.

40113687 is a deficient number, since it is larger than the sum of its proper divisors (14277993).

40113687 is a wasteful number, since it uses less digits than its factorization.

40113687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226693.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 40113687 is about 6333.5366897177. The cubic root of 40113687 is about 342.3188862534.

The spelling of 40113687 in words is "forty million, one hundred thirteen thousand, six hundred eighty-seven".