40142265131 has 8 divisors (see below), whose sum is σ = 41532043680. Its totient is φ = 38752857472.

The previous prime is 40142265127. The next prime is 40142265151. The reversal of 40142265131 is 13156224104.

40142265131 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 40142265131 - 2² = 40142265127 is a prime.

It is a super-2 number, since 2×40142265131² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40142265094 and 40142265103.

It is not an unprimeable number, because it can be changed into a prime (40142265151) 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, 137186 + ... + 314808.

It is an arithmetic number, because the mean of its divisors is an integer number (5191505460).

Almost surely, 2^40142265131 is an apocalyptic number.

40142265131 is a deficient number, since it is larger than the sum of its proper divisors (1389778549).

40142265131 is a wasteful number, since it uses less digits than its factorization.

40142265131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185445.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 40142265131 its reverse (13156224104), we get a palindrome (53298489235).

The spelling of 40142265131 in words is "forty billion, one hundred forty-two million, two hundred sixty-five thousand, one hundred thirty-one".