40131373 has 8 divisors (see below), whose sum is σ = 43396992. Its totient is φ = 36966336.

The previous prime is 40131367. The next prime is 40131379. The reversal of 40131373 is 37313104.

It is a happy number.

40131373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40131367) and next prime (40131379).

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-40131373 is a prime.

It is a super-2 number, since 2×40131373² = 3221054197730258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40131379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24315 + ... + 25912.

It is an arithmetic number, because the mean of its divisors is an integer number (5424624).

Almost surely, 2^40131373 is an apocalyptic number.

It is an amenable number.

40131373 is a deficient number, since it is larger than the sum of its proper divisors (3265619).

40131373 is a wasteful number, since it uses less digits than its factorization.

40131373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50291.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 40131373 is about 6334.9327541814. The cubic root of 40131373 is about 342.3691879727.

Adding to 40131373 its reverse (37313104), we get a palindrome (77444477).

It can be divided in two parts, 40131 and 373, that added together give a palindrome (40504).

The spelling of 40131373 in words is "forty million, one hundred thirty-one thousand, three hundred seventy-three".