655136032 has 48 divisors (see below), whose sum is σ = 1314593280. Its totient is φ = 321334272.

The previous prime is 655136029. The next prime is 655136033. The reversal of 655136032 is 230631556.

It is a junction number, because it is equal to n+sod(n) for n = 655135985 and 655136003.

It is not an unprimeable number, because it can be changed into a prime (655136033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371569 + ... + 373327.

It is an arithmetic number, because the mean of its divisors is an integer number (27387360).

Almost surely, 2^655136032 is an apocalyptic number.

It is an amenable number.

655136032 is an abundant number, since it is smaller than the sum of its proper divisors (659457248).

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

655136032 is a wasteful number, since it uses less digits than its factorization.

655136032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985 (or 1977 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 655136032 is about 25595.6252512026. The cubic root of 655136032 is about 868.5146770317.

Adding to 655136032 its reverse (230631556), we get a palindrome (885767588).

The spelling of 655136032 in words is "six hundred fifty-five million, one hundred thirty-six thousand, thirty-two".