13281140477 has 8 divisors (see below), whose sum is σ = 14493384000. Its totient is φ = 12069708160.

The previous prime is 13281140471. The next prime is 13281140489. The reversal of 13281140477 is 77404118231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13281140477 - 2⁶ = 13281140413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13281140477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13281140471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168308 + ... + 234285.

It is an arithmetic number, because the mean of its divisors is an integer number (1811673000).

Almost surely, 2^13281140477 is an apocalyptic number.

It is an amenable number.

13281140477 is a deficient number, since it is larger than the sum of its proper divisors (1212243523).

13281140477 is a wasteful number, since it uses less digits than its factorization.

13281140477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405603.

The product of its (nonzero) digits is 37632, while the sum is 38.

The spelling of 13281140477 in words is "thirteen billion, two hundred eighty-one million, one hundred forty thousand, four hundred seventy-seven".