140140131 has 8 divisors (see below), whose sum is σ = 186921984. Its totient is φ = 93392520.

The previous prime is 140140111. The next prime is 140140153. The reversal of 140140131 is 131041041.

140140131 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 not a de Polignac number, because 140140131 - 2¹⁸ = 139877987 is a prime.

It is a super-2 number, since 2×140140131² = 39278512633394322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140140131.

It is not an unprimeable number, because it can be changed into a prime (140140111) 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, 3366 + ... + 17076.

It is an arithmetic number, because the mean of its divisors is an integer number (23365248).

Almost surely, 2^140140131 is an apocalyptic number.

140140131 is a deficient number, since it is larger than the sum of its proper divisors (46781853).

140140131 is a wasteful number, since it uses less digits than its factorization.

140140131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17121.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 140140131 is about 11838.0797006947. The cubic root of 140140131 is about 519.4225975079.

Adding to 140140131 its reverse (131041041), we get a palindrome (271181172).

The spelling of 140140131 in words is "one hundred forty million, one hundred forty thousand, one hundred thirty-one".