140011331 has 6 divisors (see below), whose sum is σ = 140669340. Its totient is φ = 139356368.

The previous prime is 140011309. The next prime is 140011349. The reversal of 140011331 is 133110041.

It is not a de Polignac number, because 140011331 - 2¹⁰ = 140010307 is a prime.

It is a super-3 number, since 3×140011331³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140011301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53000 + ... + 55578.

It is an arithmetic number, because the mean of its divisors is an integer number (23444890).

Almost surely, 2^140011331 is an apocalyptic number.

140011331 is a deficient number, since it is larger than the sum of its proper divisors (658009).

140011331 is an frugal number, since it uses more digits than its factorization.

140011331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045 (or 2812 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 140011331 is about 11832.6383786542. The cubic root of 140011331 is about 519.2634184145.

Adding to 140011331 its reverse (133110041), we get a palindrome (273121372).

The spelling of 140011331 in words is "one hundred forty million, eleven thousand, three hundred thirty-one".