13515031134 has 24 divisors (see below), whose sum is σ = 31944619512. Its totient is φ = 4095463920.

The previous prime is 13515031133. The next prime is 13515031139. The reversal of 13515031134 is 43113051531.

It is a happy number.

13515031134 is a `hidden beast` number, since 13 + 515 + 0 + 3 + 1 + 134 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 13515031098 and 13515031107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13515031133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34128669 + ... + 34129064.

It is an arithmetic number, because the mean of its divisors is an integer number (1331025813).

Almost surely, 2^13515031134 is an apocalyptic number.

13515031134 is an abundant number, since it is smaller than the sum of its proper divisors (18429588378).

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

13515031134 is a wasteful number, since it uses less digits than its factorization.

13515031134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68257752 (or 68257749 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 13515031134 its reverse (43113051531), we get a palindrome (56628082665).

The spelling of 13515031134 in words is "thirteen billion, five hundred fifteen million, thirty-one thousand, one hundred thirty-four".