115347131440 has 20 divisors (see below), whose sum is σ = 268182080784. Its totient is φ = 46138852544.

The previous prime is 115347131401. The next prime is 115347131467. The reversal of 115347131440 is 44131743511.

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 = 115347131396 and 115347131405.

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, 720919492 + ... + 720919651.

Almost surely, 2^115347131440 is an apocalyptic number.

115347131440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115347131440 is an abundant number, since it is smaller than the sum of its proper divisors (152834949344).

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

115347131440 is a wasteful number, since it uses less digits than its factorization.

115347131440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441839156 (or 1441839150 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

Adding to 115347131440 its reverse (44131743511), we get a palindrome (159478874951).

The spelling of 115347131440 in words is "one hundred fifteen billion, three hundred forty-seven million, one hundred thirty-one thousand, four hundred forty".