32135240513 has 4 divisors (see below), whose sum is σ = 32138873520. Its totient is φ = 32131607508.

The previous prime is 32135240507. The next prime is 32135240537. The reversal of 32135240513 is 31504253123.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32135240513 - 2²⁴ = 32118463297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32135240503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1803203 + ... + 1820936.

It is an arithmetic number, because the mean of its divisors is an integer number (8034718380).

Almost surely, 2^32135240513 is an apocalyptic number.

It is an amenable number.

32135240513 is a deficient number, since it is larger than the sum of its proper divisors (3633007).

32135240513 is an equidigital number, since it uses as much as digits as its factorization.

32135240513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3633006.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 32135240513 its reverse (31504253123), we get a palindrome (63639493636).

The spelling of 32135240513 in words is "thirty-two billion, one hundred thirty-five million, two hundred forty thousand, five hundred thirteen".