140440337 has 4 divisors (see below), whose sum is σ = 140680176. Its totient is φ = 140200500.

The previous prime is 140440331. The next prime is 140440351. The reversal of 140440337 is 733044041.

140440337 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: 733044041 = 5059 ⋅144899.

It is a cyclic number.

It is not a de Polignac number, because 140440337 - 2⁸ = 140440081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140440331) 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, 119039 + ... + 120212.

It is an arithmetic number, because the mean of its divisors is an integer number (35170044).

Almost surely, 2^140440337 is an apocalyptic number.

It is an amenable number.

140440337 is a deficient number, since it is larger than the sum of its proper divisors (239839).

140440337 is an equidigital number, since it uses as much as digits as its factorization.

140440337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239838.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 140440337 is about 11850.7525921352. The cubic root of 140440337 is about 519.7932326363.

Adding to 140440337 its reverse (733044041), we get a palindrome (873484378).

The spelling of 140440337 in words is "one hundred forty million, four hundred forty thousand, three hundred thirty-seven".