140342131 has 2 divisors, whose sum is σ = 140342132. Its totient is φ = 140342130.

The previous prime is 140342119. The next prime is 140342161. The reversal of 140342131 is 131243041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140342131 - 2⁵ = 140342099 is a prime.

It is a super-2 number, since 2×140342131² = 39391827467242322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 140342099 and 140342108.

It is not a weakly prime, because it can be changed into another prime (140342101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70171065 + 70171066.

It is an arithmetic number, because the mean of its divisors is an integer number (70171066).

Almost surely, 2^140342131 is an apocalyptic number.

140342131 is a deficient number, since it is larger than the sum of its proper divisors (1).

140342131 is an equidigital number, since it uses as much as digits as its factorization.

140342131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 140342131 is about 11846.6084176021. The cubic root of 140342131 is about 519.6720454274.

Adding to 140342131 its reverse (131243041), we get a palindrome (271585172).

It can be divided in two parts, 1403 and 42131, that added together give a palindrome (43534).

The spelling of 140342131 in words is "one hundred forty million, three hundred forty-two thousand, one hundred thirty-one".