140005331 has 8 divisors (see below), whose sum is σ = 144683904. Its totient is φ = 135336960.

The previous prime is 140005303. The next prime is 140005337. The reversal of 140005331 is 133500041.

140005331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140005331 is a prime.

It is a super-2 number, since 2×140005331² = 39202985416839122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140005337) 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, 33785 + ... + 37701.

It is an arithmetic number, because the mean of its divisors is an integer number (18085488).

Almost surely, 2^140005331 is an apocalyptic number.

140005331 is a deficient number, since it is larger than the sum of its proper divisors (4678573).

140005331 is a wasteful number, since it uses less digits than its factorization.

140005331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 140005331 is about 11832.3848399213. The cubic root of 140005331 is about 519.2560008600.

Adding to 140005331 its reverse (133500041), we get a palindrome (273505372).

The spelling of 140005331 in words is "one hundred forty million, five thousand, three hundred thirty-one".