40131097 has 8 divisors (see below), whose sum is σ = 42301760. Its totient is φ = 37966320.

The previous prime is 40131071. The next prime is 40131109. The reversal of 40131097 is 79013104.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40131097 is a prime.

It is a super-2 number, since 2×40131097² = 3221009892846818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40131397) 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, 23947 + ... + 25567.

It is an arithmetic number, because the mean of its divisors is an integer number (5287720).

Almost surely, 2^40131097 is an apocalyptic number.

It is an amenable number.

40131097 is a deficient number, since it is larger than the sum of its proper divisors (2170663).

40131097 is a wasteful number, since it uses less digits than its factorization.

40131097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 40131097 is about 6334.9109701716. The cubic root of 40131097 is about 342.3684030996.

The spelling of 40131097 in words is "forty million, one hundred thirty-one thousand, ninety-seven".