32135420 has 12 divisors (see below), whose sum is σ = 67484424. Its totient is φ = 12854160.

The previous prime is 32135419. The next prime is 32135443. The reversal of 32135420 is 2453123.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1606771 = 32135420 / (3 + 2 + 1 + 3 + 5 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 32135392 and 32135401.

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, 803366 + ... + 803405.

It is an arithmetic number, because the mean of its divisors is an integer number (5623702).

Almost surely, 2^32135420 is an apocalyptic number.

It is an amenable number.

32135420 is an abundant number, since it is smaller than the sum of its proper divisors (35349004).

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

32135420 is a wasteful number, since it uses less digits than its factorization.

32135420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606780 (or 1606778 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 32135420 is about 5668.8111628453. The cubic root of 32135420 is about 317.9274256544.

Adding to 32135420 its reverse (2453123), we get a palindrome (34588543).

The spelling of 32135420 in words is "thirty-two million, one hundred thirty-five thousand, four hundred twenty".