40131086 has 8 divisors (see below), whose sum is σ = 60227064. Its totient is φ = 20055400.

The previous prime is 40131071. The next prime is 40131109. The reversal of 40131086 is 68013104.

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

It is a super-2 number, since 2×40131086² = 3221008127078792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1661 + ... + 9111.

It is an arithmetic number, because the mean of its divisors is an integer number (7528383).

Almost surely, 2^40131086 is an apocalyptic number.

40131086 is a deficient number, since it is larger than the sum of its proper divisors (20095978).

40131086 is a wasteful number, since it uses less digits than its factorization.

40131086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10146.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 40131086 is about 6334.9101019667. The cubic root of 40131086 is about 342.3683718183.

The spelling of 40131086 in words is "forty million, one hundred thirty-one thousand, eighty-six".