40131563 has 8 divisors (see below), whose sum is σ = 41703600. Its totient is φ = 38572128.

The previous prime is 40131541. The next prime is 40131571. The reversal of 40131563 is 36513104.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40131563 - 2⁶ = 40131499 is a prime.

It is a super-2 number, since 2×40131563² = 3221084697645938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40131503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3620 + ... + 9662.

It is an arithmetic number, because the mean of its divisors is an integer number (5212950).

Almost surely, 2^40131563 is an apocalyptic number.

40131563 is a deficient number, since it is larger than the sum of its proper divisors (1572037).

40131563 is a wasteful number, since it uses less digits than its factorization.

40131563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6301.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 40131563 is about 6334.9477503765. The cubic root of 40131563 is about 342.3697282819.

Adding to 40131563 its reverse (36513104), we get a palindrome (76644667).

The spelling of 40131563 in words is "forty million, one hundred thirty-one thousand, five hundred sixty-three".