140331329 has 8 divisors (see below), whose sum is σ = 142041600. Its totient is φ = 138631600.

The previous prime is 140331307. The next prime is 140331341. The reversal of 140331329 is 923133041.

It is a happy number.

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 140331329 - 2¹² = 140327233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140331298 and 140331307.

It is not an unprimeable number, because it can be changed into a prime (140330329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25994 + ... + 30924.

It is an arithmetic number, because the mean of its divisors is an integer number (17755200).

Almost surely, 2^140331329 is an apocalyptic number.

It is an amenable number.

140331329 is a deficient number, since it is larger than the sum of its proper divisors (1710271).

140331329 is a wasteful number, since it uses less digits than its factorization.

140331329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5271.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 140331329 is about 11846.1524977522. The cubic root of 140331329 is about 519.6587121981.

The spelling of 140331329 in words is "one hundred forty million, three hundred thirty-one thousand, three hundred twenty-nine".