13255487140 has 24 divisors (see below), whose sum is σ = 31813169472. Its totient is φ = 4544738400.

The previous prime is 13255487137. The next prime is 13255487153. The reversal of 13255487140 is 4178455231.

It is a junction number, because it is equal to n+sod(n) for n = 13255487093 and 13255487102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47340886 + ... + 47341165.

It is an arithmetic number, because the mean of its divisors is an integer number (1325548728).

Almost surely, 2^13255487140 is an apocalyptic number.

13255487140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13255487140 is an abundant number, since it is smaller than the sum of its proper divisors (18557682332).

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

13255487140 is a wasteful number, since it uses less digits than its factorization.

13255487140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94682067 (or 94682065 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 13255487140 in words is "thirteen billion, two hundred fifty-five million, four hundred eighty-seven thousand, one hundred forty".