13540663341 has 6 divisors (see below), whose sum is σ = 19558735950. Its totient is φ = 9027108888.

The previous prime is 13540663313. The next prime is 13540663343. The reversal of 13540663341 is 14336604531.

13540663341 is a `hidden beast` number, since 13 + 5 + 4 + 0 + 6 + 633 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12915413316 + 625250025 = 113646^2 + 25005^2 .

It is not a de Polignac number, because 13540663341 - 2⁵ = 13540663309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13540663296 and 13540663305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13540663343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 752259066 + ... + 752259083.

It is an arithmetic number, because the mean of its divisors is an integer number (3259789325).

Almost surely, 2^13540663341 is an apocalyptic number.

It is an amenable number.

13540663341 is a deficient number, since it is larger than the sum of its proper divisors (6018072609).

13540663341 is a wasteful number, since it uses less digits than its factorization.

13540663341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504518155 (or 1504518152 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 13540663341 in words is "thirteen billion, five hundred forty million, six hundred sixty-three thousand, three hundred forty-one".