140031302 has 8 divisors (see below), whose sum is σ = 210100176. Its totient is φ = 69997912.

The previous prime is 140031293. The next prime is 140031313. The reversal of 140031302 is 203130041.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5948 + ... + 17760.

It is an arithmetic number, because the mean of its divisors is an integer number (26262522).

Almost surely, 2^140031302 is an apocalyptic number.

140031302 is a deficient number, since it is larger than the sum of its proper divisors (70068874).

140031302 is a wasteful number, since it uses less digits than its factorization.

140031302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17742.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 140031302 is about 11833.4822431945. The cubic root of 140031302 is about 519.2881062180.

Adding to 140031302 its reverse (203130041), we get a palindrome (343161343).

The spelling of 140031302 in words is "one hundred forty million, thirty-one thousand, three hundred two".