64040131 has 8 divisors (see below), whose sum is σ = 64802304. Its totient is φ = 63282240.

The previous prime is 64040117. The next prime is 64040159. The reversal of 64040131 is 13104046.

It is a happy number.

64040131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 64040131 - 2¹³ = 64031939 is a prime.

It is a super-2 number, since 2×64040131² = 8202276756994322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64040099 and 64040108.

It is not an unprimeable number, because it can be changed into a prime (64040111) 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, 36351 + ... + 38071.

It is an arithmetic number, because the mean of its divisors is an integer number (8100288).

Almost surely, 2^64040131 is an apocalyptic number.

64040131 is a deficient number, since it is larger than the sum of its proper divisors (762173).

64040131 is a wasteful number, since it uses less digits than its factorization.

64040131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141.

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

The square root of 64040131 is about 8002.5077944354. The cubic root of 64040131 is about 400.0835887811.

Adding to 64040131 its reverse (13104046), we get a palindrome (77144177).

The spelling of 64040131 in words is "sixty-four million, forty thousand, one hundred thirty-one".