131440021301004 has 96 divisors (see below), whose sum is σ = 332671956744960. Its totient is φ = 40150843907328.

The previous prime is 131440021300963. The next prime is 131440021301041. The reversal of 131440021301004 is 400103120044131.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 851952279 + ... + 852106545.

It is an arithmetic number, because the mean of its divisors is an integer number (3465332882760).

Almost surely, 2^{131440021301004} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131440021301004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166335978372480).

131440021301004 is an abundant number, since it is smaller than the sum of its proper divisors (201231935443956).

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

131440021301004 is a wasteful number, since it uses less digits than its factorization.

131440021301004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193719 (or 193717 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 131440021301004 its reverse (400103120044131), we get a palindrome (531543141345135).

The spelling of 131440021301004 in words is "one hundred thirty-one trillion, four hundred forty billion, twenty-one million, three hundred one thousand, four".