653138328 has 16 divisors (see below), whose sum is σ = 1632845880. Its totient is φ = 217712768.

The previous prime is 653138327. The next prime is 653138333. The reversal of 653138328 is 823831356.

653138328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653138327) 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, 13607025 + ... + 13607072.

Almost surely, 2^653138328 is an apocalyptic number.

It is an amenable number.

653138328 is an abundant number, since it is smaller than the sum of its proper divisors (979707552).

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

653138328 is a wasteful number, since it uses less digits than its factorization.

653138328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27214106 (or 27214102 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 653138328 is about 25556.5711315114. The cubic root of 653138328 is about 867.6309919654.

The spelling of 653138328 in words is "six hundred fifty-three million, one hundred thirty-eight thousand, three hundred twenty-eight".