140343504131 has 4 divisors (see below), whose sum is σ = 148599004392. Its totient is φ = 132088003872.

The previous prime is 140343504107. The next prime is 140343504137. The reversal of 140343504131 is 131405343041.

It is a happy number.

140343504131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131405343041 = 7 ⋅18772191863.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140343504131 is a prime.

It is a super-2 number, since 2×140343504131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140343504094 and 140343504103.

It is not an unprimeable number, because it can be changed into a prime (140343504137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4127750105 + ... + 4127750138.

It is an arithmetic number, because the mean of its divisors is an integer number (37149751098).

Almost surely, 2^140343504131 is an apocalyptic number.

140343504131 is a deficient number, since it is larger than the sum of its proper divisors (8255500261).

140343504131 is an equidigital number, since it uses as much as digits as its factorization.

140343504131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8255500260.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 140343504131 its reverse (131405343041), we get a palindrome (271748847172).

The spelling of 140343504131 in words is "one hundred forty billion, three hundred forty-three million, five hundred four thousand, one hundred thirty-one".