140231120 has 20 divisors (see below), whose sum is σ = 326037540. Its totient is φ = 56092416.

The previous prime is 140231107. The next prime is 140231173. The reversal of 140231120 is 21132041.

It can be written as a sum of positive squares in 2 ways, for example, as 93006736 + 47224384 = 9644^2 + 6872^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 140231095 and 140231104.

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, 876365 + ... + 876524.

It is an arithmetic number, because the mean of its divisors is an integer number (16301877).

Almost surely, 2^140231120 is an apocalyptic number.

140231120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140231120 is an abundant number, since it is smaller than the sum of its proper divisors (185806420).

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

140231120 is a wasteful number, since it uses less digits than its factorization.

140231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752902 (or 1752896 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 140231120 is about 11841.9221412742. The cubic root of 140231120 is about 519.5349886256.

Adding to 140231120 its reverse (21132041), we get a palindrome (161363161).

The spelling of 140231120 in words is "one hundred forty million, two hundred thirty-one thousand, one hundred twenty".