32135032421 has 8 divisors (see below), whose sum is σ = 32384616000. Its totient is φ = 31885513920.

The previous prime is 32135032387. The next prime is 32135032427. The reversal of 32135032421 is 12423053123.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32135032421 is a prime.

It is a super-2 number, since 2×32135032421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32135032427) 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, 1568240 + ... + 1588598.

It is an arithmetic number, because the mean of its divisors is an integer number (4048077000).

Almost surely, 2^32135032421 is an apocalyptic number.

It is an amenable number.

32135032421 is a deficient number, since it is larger than the sum of its proper divisors (249583579).

32135032421 is a wasteful number, since it uses less digits than its factorization.

32135032421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32539.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 32135032421 its reverse (12423053123), we get a palindrome (44558085544).

The spelling of 32135032421 in words is "thirty-two billion, one hundred thirty-five million, thirty-two thousand, four hundred twenty-one".