140332331 has 12 divisors (see below), whose sum is σ = 149504088. Its totient is φ = 131695872.

The previous prime is 140332301. The next prime is 140332337. The reversal of 140332331 is 133233041.

140332331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140332331 - 2¹⁰ = 140331307 is a prime.

It is a super-2 number, since 2×140332331² = 39386326247787122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140332337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177920 + ... + 178706.

It is an arithmetic number, because the mean of its divisors is an integer number (12458674).

Almost surely, 2^140332331 is an apocalyptic number.

140332331 is a deficient number, since it is larger than the sum of its proper divisors (9171757).

140332331 is an equidigital number, since it uses as much as digits as its factorization.

140332331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438 (or 1421 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 140332331 is about 11846.1947898893. The cubic root of 140332331 is about 519.6599490252.

Adding to 140332331 its reverse (133233041), we get a palindrome (273565372).

The spelling of 140332331 in words is "one hundred forty million, three hundred thirty-two thousand, three hundred thirty-one".