140040131 has 8 divisors (see below), whose sum is σ = 174595584. Its totient is φ = 109122120.

The previous prime is 140040097. The next prime is 140040143. The reversal of 140040131 is 131040041.

It is a happy number.

140040131 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 a de Polignac number, because none of the positive numbers 2^k-140040131 is a prime.

It is a super-2 number, since 2×140040131² = 39222476580994322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140040181) 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, 909275 + ... + 909428.

It is an arithmetic number, because the mean of its divisors is an integer number (21824448).

Almost surely, 2^140040131 is an apocalyptic number.

140040131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140040131 is a deficient number, since it is larger than the sum of its proper divisors (34555453).

140040131 is a wasteful number, since it uses less digits than its factorization.

140040131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818721.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 140040131 is about 11833.8552889580. The cubic root of 140040131 is about 519.2990197264.

Adding to 140040131 its reverse (131040041), we get a palindrome (271080172).

The spelling of 140040131 in words is "one hundred forty million, forty thousand, one hundred thirty-one".