13201432534 has 8 divisors (see below), whose sum is σ = 19802636280. Its totient is φ = 6600553776.

The previous prime is 13201432513. The next prime is 13201432609. The reversal of 13201432534 is 43523410231.

It is a happy number.

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

It is a super-2 number, since 2×13201432534² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120762 + ... + 202450.

It is an arithmetic number, because the mean of its divisors is an integer number (2475329535).

Almost surely, 2^13201432534 is an apocalyptic number.

13201432534 is a deficient number, since it is larger than the sum of its proper divisors (6601203746).

13201432534 is an equidigital number, since it uses as much as digits as its factorization.

13201432534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162494.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 13201432534 its reverse (43523410231), we get a palindrome (56724842765).

The spelling of 13201432534 in words is "thirteen billion, two hundred one million, four hundred thirty-two thousand, five hundred thirty-four".