40046131 has 2 divisors, whose sum is σ = 40046132. Its totient is φ = 40046130.

The previous prime is 40046119. The next prime is 40046161. The reversal of 40046131 is 13164004.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40046131 - 2¹¹ = 40044083 is a prime.

It is a super-2 number, since 2×40046131² = 3207385216138322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40046099 and 40046108.

It is not a weakly prime, because it can be changed into another prime (40046161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20023065 + 20023066.

It is an arithmetic number, because the mean of its divisors is an integer number (20023066).

Almost surely, 2^40046131 is an apocalyptic number.

40046131 is a deficient number, since it is larger than the sum of its proper divisors (1).

40046131 is an equidigital number, since it uses as much as digits as its factorization.

40046131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 40046131 is about 6328.2012452197. The cubic root of 40046131 is about 342.1266103274.

The spelling of 40046131 in words is "forty million, forty-six thousand, one hundred thirty-one".