13525432134 has 16 divisors (see below), whose sum is σ = 27248317488. Its totient is φ = 4475568512.

The previous prime is 13525432133. The next prime is 13525432147. The reversal of 13525432134 is 43123452531.

It is a super-2 number, since 2×13525432134² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13525432095 and 13525432104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13525432133) 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, 8226327 + ... + 8227970.

It is an arithmetic number, because the mean of its divisors is an integer number (1703019843).

Almost surely, 2^13525432134 is an apocalyptic number.

13525432134 is an abundant number, since it is smaller than the sum of its proper divisors (13722885354).

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

13525432134 is a wasteful number, since it uses less digits than its factorization.

13525432134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16454439.

The product of its digits is 43200, while the sum is 33.

Adding to 13525432134 its reverse (43123452531), we get a palindrome (56648884665).

The spelling of 13525432134 in words is "thirteen billion, five hundred twenty-five million, four hundred thirty-two thousand, one hundred thirty-four".