32140204146 has 24 divisors (see below), whose sum is σ = 69658881084. Its totient is φ = 10710051840.

The previous prime is 32140204141. The next prime is 32140204147. The reversal of 32140204146 is 64140204123.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21269013921 + 10871190225 = 145839^2 + 104265^2 .

It is not an unprimeable number, because it can be changed into a prime (32140204141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219615 + ... + 335426.

Almost surely, 2^32140204146 is an apocalyptic number.

32140204146 is an abundant number, since it is smaller than the sum of its proper divisors (37518676938).

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

32140204146 is a wasteful number, since it uses less digits than its factorization.

32140204146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558266 (or 558263 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 32140204146 its reverse (64140204123), we get a palindrome (96280408269).

The spelling of 32140204146 in words is "thirty-two billion, one hundred forty million, two hundred four thousand, one hundred forty-six".