40131069 has 16 divisors (see below), whose sum is σ = 58684224. Its totient is φ = 24192000.

The previous prime is 40131043. The next prime is 40131071. The reversal of 40131069 is 96013104.

It is not a de Polignac number, because 40131069 - 2⁷ = 40130941 is a prime.

It is a super-2 number, since 2×40131069² = 3221005398165522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40131029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3219 + ... + 9519.

It is an arithmetic number, because the mean of its divisors is an integer number (3667764).

Almost surely, 2^40131069 is an apocalyptic number.

It is an amenable number.

40131069 is a deficient number, since it is larger than the sum of its proper divisors (18553155).

40131069 is a wasteful number, since it uses less digits than its factorization.

40131069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6508.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 40131069 is about 6334.9087601954. The cubic root of 40131069 is about 342.3683234746.

The spelling of 40131069 in words is "forty million, one hundred thirty-one thousand, sixty-nine".