140240131 has 16 divisors (see below), whose sum is σ = 151216128. Its totient is φ = 129729600.

The previous prime is 140240129. The next prime is 140240161. The reversal of 140240131 is 131042041.

It is a cyclic number.

It is not a de Polignac number, because 140240131 - 2¹ = 140240129 is a prime.

It is a super-2 number, since 2×140240131² = 39334588685794322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140240161) 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 15 ways as a sum of consecutive naturals, for example, 119176 + ... + 120346.

It is an arithmetic number, because the mean of its divisors is an integer number (9451008).

Almost surely, 2^140240131 is an apocalyptic number.

140240131 is a deficient number, since it is larger than the sum of its proper divisors (10975997).

140240131 is a wasteful number, since it uses less digits than its factorization.

140240131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 140240131 is about 11842.3026054902. The cubic root of 140240131 is about 519.5461165157.

Adding to 140240131 its reverse (131042041), we get a palindrome (271282172).

The spelling of 140240131 in words is "one hundred forty million, two hundred forty thousand, one hundred thirty-one".