140131031128 has 16 divisors (see below), whose sum is σ = 286631654760. Its totient is φ = 63695923200.

The previous prime is 140131031119. The next prime is 140131031141. The reversal of 140131031128 is 821130131041.

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, 796198953 + ... + 796199128.

Almost surely, 2^140131031128 is an apocalyptic number.

It is an amenable number.

140131031128 is an abundant number, since it is smaller than the sum of its proper divisors (146500623632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140131031128 is a wasteful number, since it uses less digits than its factorization.

140131031128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592398098 (or 1592398094 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 140131031128 its reverse (821130131041), we get a palindrome (961261162169).

The spelling of 140131031128 in words is "one hundred forty billion, one hundred thirty-one million, thirty-one thousand, one hundred twenty-eight".