140141031 has 8 divisors (see below), whose sum is σ = 187133424. Its totient is φ = 93288000.

The previous prime is 140140997. The next prime is 140141033. The reversal of 140141031 is 130141041.

140141031 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 140141031 - 2⁹ = 140140519 is a prime.

It is a super-2 number, since 2×140141031² = 39279017139485922, 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 140141031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140141033) 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, 32470 + ... + 36531.

It is an arithmetic number, because the mean of its divisors is an integer number (23391678).

Almost surely, 2^140141031 is an apocalyptic number.

140141031 is a deficient number, since it is larger than the sum of its proper divisors (46992393).

140141031 is an equidigital number, since it uses as much as digits as its factorization.

140141031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69681.

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

The square root of 140141031 is about 11838.1177135556. The cubic root of 140141031 is about 519.4237094410.

Adding to 140141031 its reverse (130141041), we get a palindrome (270282072).

The spelling of 140141031 in words is "one hundred forty million, one hundred forty-one thousand, thirty-one".