1000131425440 has 96 divisors (see below), whose sum is σ = 2859199305984. Its totient is φ = 322731479040.

The previous prime is 1000131425339. The next prime is 1000131425443. The reversal of 1000131425440 is 445241310001.

1000131425440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1000131425443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26244916 + ... + 26282995.

It is an arithmetic number, because the mean of its divisors is an integer number (29783326104).

Almost surely, 2^{1000131425440} is an apocalyptic number.

1000131425440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000131425440 is an abundant number, since it is smaller than the sum of its proper divisors (1859067880544).

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

1000131425440 is a wasteful number, since it uses less digits than its factorization.

1000131425440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52527950 (or 52527942 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1000131425440 its reverse (445241310001), we get a palindrome (1445372735441).

The spelling of 1000131425440 in words is "one trillion, one hundred thirty-one million, four hundred twenty-five thousand, four hundred forty".