140131130240 has 128 divisors (see below), whose sum is σ = 346138583040. Its totient is φ = 54192384000.

The previous prime is 140131130239. The next prime is 140131130287. The reversal of 140131130240 is 42031131041.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25610705 + ... + 25616175.

It is an arithmetic number, because the mean of its divisors is an integer number (2704207680).

Almost surely, 2^140131130240 is an apocalyptic number.

140131130240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140131130240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173069291520).

140131130240 is an abundant number, since it is smaller than the sum of its proper divisors (206007452800).

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

140131130240 is a wasteful number, since it uses less digits than its factorization.

140131130240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6812 (or 6800 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 140131130240 its reverse (42031131041), we get a palindrome (182162261281).

The spelling of 140131130240 in words is "one hundred forty billion, one hundred thirty-one million, one hundred thirty thousand, two hundred forty".