140541331 has 4 divisors (see below), whose sum is σ = 160618672. Its totient is φ = 120463992.

The previous prime is 140541283. The next prime is 140541353. The reversal of 140541331 is 133145041.

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 140541331 - 2²¹ = 138444179 is a prime.

It is a super-2 number, since 2×140541331² = 39503731438503122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140541391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10038660 + ... + 10038673.

It is an arithmetic number, because the mean of its divisors is an integer number (40154668).

Almost surely, 2^140541331 is an apocalyptic number.

140541331 is a deficient number, since it is larger than the sum of its proper divisors (20077341).

140541331 is an equidigital number, since it uses as much as digits as its factorization.

140541331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20077340.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 140541331 is about 11855.0129059398. The cubic root of 140541331 is about 519.9178013563.

Adding to 140541331 its reverse (133145041), we get a palindrome (273686372).

The spelling of 140541331 in words is "one hundred forty million, five hundred forty-one thousand, three hundred thirty-one".