140957 has 4 divisors (see below), whose sum is σ = 145536. Its totient is φ = 136380.

The previous prime is 140939. The next prime is 140977. The reversal of 140957 is 759041.

140957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 759041 = 197 ⋅3853.

It is a cyclic number.

It is not a de Polignac number, because 140957 - 2⁶ = 140893 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140957.

It is not an unprimeable number, because it can be changed into a prime (140977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2243 + ... + 2304.

It is an arithmetic number, because the mean of its divisors is an integer number (36384).

2¹⁴⁰⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

140957 is a deficient number, since it is larger than the sum of its proper divisors (4579).

140957 is an equidigital number, since it uses as much as digits as its factorization.

140957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4578.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 140957 is about 375.4424057029. The cubic root of 140957 is about 52.0429871362.

Adding to 140957 its reverse (759041), we get a palindrome (899998).

The spelling of 140957 in words is "one hundred forty thousand, nine hundred fifty-seven".