140331001 has 8 divisors (see below), whose sum is σ = 141603840. Its totient is φ = 139064352.

The previous prime is 140330963. The next prime is 140331013. The reversal of 140331001 is 100133041.

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 140331001 - 2⁷ = 140330873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140331041) 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, 51981 + ... + 54613.

It is an arithmetic number, because the mean of its divisors is an integer number (17700480).

Almost surely, 2^140331001 is an apocalyptic number.

It is an amenable number.

140331001 is a deficient number, since it is larger than the sum of its proper divisors (1272839).

140331001 is a wasteful number, since it uses less digits than its factorization.

140331001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 140331001 is about 11846.1386535867. The cubic root of 140331001 is about 519.6583073272.

Adding to 140331001 its reverse (100133041), we get a palindrome (240464042).

The spelling of 140331001 in words is "one hundred forty million, three hundred thirty-one thousand, one".