140424332131 has 4 divisors (see below), whose sum is σ = 140427564664. Its totient is φ = 140421099600.

The previous prime is 140424332123. The next prime is 140424332171. The reversal of 140424332131 is 131233424041.

It is a happy number.

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 140424332131 - 2³ = 140424332123 is a prime.

It is a super-2 number, since 2×140424332131² (a number of 23 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 140424332131.

It is not an unprimeable number, because it can be changed into a prime (140424332171) 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, 1550205 + ... + 1638286.

It is an arithmetic number, because the mean of its divisors is an integer number (35106891166).

Almost surely, 2^140424332131 is an apocalyptic number.

140424332131 is a deficient number, since it is larger than the sum of its proper divisors (3232533).

140424332131 is an equidigital number, since it uses as much as digits as its factorization.

140424332131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232532.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 140424332131 its reverse (131233424041), we get a palindrome (271657756172).

The spelling of 140424332131 in words is "one hundred forty billion, four hundred twenty-four million, three hundred thirty-two thousand, one hundred thirty-one".