13134040232 has 8 divisors (see below), whose sum is σ = 24626325450. Its totient is φ = 6567020112.

The previous prime is 13134040211. The next prime is 13134040237. The reversal of 13134040232 is 23204043131.

It can be written as a sum of positive squares in only one way, i.e., 10121567236 + 3012472996 = 100606^2 + 54886^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×13134040232² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13134040198 and 13134040207.

It is not an unprimeable number, because it can be changed into a prime (13134040237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820877507 + ... + 820877522.

Almost surely, 2^13134040232 is an apocalyptic number.

It is an amenable number.

13134040232 is a deficient number, since it is larger than the sum of its proper divisors (11492285218).

13134040232 is a wasteful number, since it uses less digits than its factorization.

13134040232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641755035 (or 1641755031 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13134040232 its reverse (23204043131), we get a palindrome (36338083363).

The spelling of 13134040232 in words is "thirteen billion, one hundred thirty-four million, forty thousand, two hundred thirty-two".