140541441 has 4 divisors (see below), whose sum is σ = 187388592. Its totient is φ = 93694292.

The previous prime is 140541433. The next prime is 140541451. The reversal of 140541441 is 144145041.

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: 144145041 = 3 ⋅48048347.

It is a cyclic number.

It is not a de Polignac number, because 140541441 - 2³ = 140541433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140541451) 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, 23423571 + ... + 23423576.

It is an arithmetic number, because the mean of its divisors is an integer number (46847148).

Almost surely, 2^140541441 is an apocalyptic number.

It is an amenable number.

140541441 is a deficient number, since it is larger than the sum of its proper divisors (46847151).

140541441 is an equidigital number, since it uses as much as digits as its factorization.

140541441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46847150.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 140541441 is about 11855.0175453265. The cubic root of 140541441 is about 519.9179370007.

Adding to 140541441 its reverse (144145041), we get a palindrome (284686482).

The spelling of 140541441 in words is "one hundred forty million, five hundred forty-one thousand, four hundred forty-one".