40135415131 has 4 divisors (see below), whose sum is σ = 45869045872. Its totient is φ = 34401784392.

The previous prime is 40135415123. The next prime is 40135415137. The reversal of 40135415131 is 13151453104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40135415131 - 2³ = 40135415123 is a prime.

It is a super-2 number, since 2×40135415131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40135415131.

It is not an unprimeable number, because it can be changed into a prime (40135415137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2866815360 + ... + 2866815373.

It is an arithmetic number, because the mean of its divisors is an integer number (11467261468).

Almost surely, 2^40135415131 is an apocalyptic number.

40135415131 is a deficient number, since it is larger than the sum of its proper divisors (5733630741).

40135415131 is an equidigital number, since it uses as much as digits as its factorization.

40135415131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5733630740.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 40135415131 its reverse (13151453104), we get a palindrome (53286868235).

The spelling of 40135415131 in words is "forty billion, one hundred thirty-five million, four hundred fifteen thousand, one hundred thirty-one".