140400241 has 4 divisors (see below), whose sum is σ = 140754292. Its totient is φ = 140046192.

The previous prime is 140400217. The next prime is 140400283. The reversal of 140400241 is 142004041.

140400241 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 an emirpimes, since its reverse is a distinct semiprime: 142004041 = 5407 ⋅26263.

It can be written as a sum of positive squares in 2 ways, for example, as 30569841 + 109830400 = 5529^2 + 10480^2 .

It is a cyclic number.

It is not a de Polignac number, because 140400241 - 2¹⁷ = 140269169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140400341) 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, 176430 + ... + 177223.

It is an arithmetic number, because the mean of its divisors is an integer number (35188573).

Almost surely, 2^140400241 is an apocalyptic number.

It is an amenable number.

140400241 is a deficient number, since it is larger than the sum of its proper divisors (354051).

140400241 is an equidigital number, since it uses as much as digits as its factorization.

140400241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354050.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 140400241 is about 11849.0607644657. The cubic root of 140400241 is about 519.7437605885.

Adding to 140400241 its reverse (142004041), we get a palindrome (282404282).

The spelling of 140400241 in words is "one hundred forty million, four hundred thousand, two hundred forty-one".