140882491 has 4 divisors (see below), whose sum is σ = 144158872. Its totient is φ = 137606112.

The previous prime is 140882447. The next prime is 140882503. The reversal of 140882491 is 194288041.

140882491 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.

It is a cyclic number.

It is not a de Polignac number, because 140882491 - 2¹³ = 140874299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140882491.

It is not an unprimeable number, because it can be changed into a prime (140882591) 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, 1638126 + ... + 1638211.

It is an arithmetic number, because the mean of its divisors is an integer number (36039718).

Almost surely, 2^140882491 is an apocalyptic number.

140882491 is a deficient number, since it is larger than the sum of its proper divisors (3276381).

140882491 is an equidigital number, since it uses as much as digits as its factorization.

140882491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276380.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 140882491 is about 11869.3930341867. The cubic root of 140882491 is about 520.3381565281.

The spelling of 140882491 in words is "one hundred forty million, eight hundred eighty-two thousand, four hundred ninety-one".