140031232 has 36 divisors (see below), whose sum is σ = 304932096. Its totient is φ = 63649280.

The previous prime is 140031211. The next prime is 140031233. The reversal of 140031232 is 232130041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140031233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22048 + ... + 27679.

It is an arithmetic number, because the mean of its divisors is an integer number (8470336).

Almost surely, 2^140031232 is an apocalyptic number.

It is an amenable number.

140031232 is an abundant number, since it is smaller than the sum of its proper divisors (164900864).

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

140031232 is an equidigital number, since it uses as much as digits as its factorization.

140031232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49754 (or 49740 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 140031232 is about 11833.4792854849. The cubic root of 140031232 is about 519.2880196894.

Adding to 140031232 its reverse (232130041), we get a palindrome (372161273).

The spelling of 140031232 in words is "one hundred forty million, thirty-one thousand, two hundred thirty-two".