40143713 has 4 divisors (see below), whose sum is σ = 42256560. Its totient is φ = 38030868.

The previous prime is 40143703. The next prime is 40143721. The reversal of 40143713 is 31734104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40143713 - 2⁸ = 40143457 is a prime.

It is a super-2 number, since 2×40143713² = 3223035386852738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40143703) 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 3 ways as a sum of consecutive naturals, for example, 1056395 + ... + 1056432.

It is an arithmetic number, because the mean of its divisors is an integer number (10564140).

Almost surely, 2^40143713 is an apocalyptic number.

It is an amenable number.

40143713 is a deficient number, since it is larger than the sum of its proper divisors (2112847).

40143713 is a wasteful number, since it uses less digits than its factorization.

40143713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112846.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 40143713 is about 6335.9066438829. The cubic root of 40143713 is about 342.4042760888.

Adding to 40143713 its reverse (31734104), we get a palindrome (71877817).

The spelling of 40143713 in words is "forty million, one hundred forty-three thousand, seven hundred thirteen".