140401331 has 8 divisors (see below), whose sum is σ = 160660224. Its totient is φ = 120192840.

The previous prime is 140401301. The next prime is 140401333. The reversal of 140401331 is 133104041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140401331 - 2¹⁴ = 140384947 is a prime.

It is a super-2 number, since 2×140401331² = 39425067493143122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140401333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6425 + ... + 17946.

It is an arithmetic number, because the mean of its divisors is an integer number (20082528).

Almost surely, 2^140401331 is an apocalyptic number.

140401331 is a deficient number, since it is larger than the sum of its proper divisors (20258893).

140401331 is an equidigital number, since it uses as much as digits as its factorization.

140401331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25201.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 140401331 is about 11849.1067595832. The cubic root of 140401331 is about 519.7451055986.

Adding to 140401331 its reverse (133104041), we get a palindrome (273505372).

The spelling of 140401331 in words is "one hundred forty million, four hundred one thousand, three hundred thirty-one".