233652138 has 32 divisors (see below), whose sum is σ = 479001600. Its totient is φ = 75958896.

The previous prime is 233652137. The next prime is 233652149. The reversal of 233652138 is 831256332.

It is a junction number, because it is equal to n+sod(n) for n = 233652099 and 233652108.

It is not an unprimeable number, because it can be changed into a prime (233652137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36373 + ... + 42311.

It is an arithmetic number, because the mean of its divisors is an integer number (14968800).

Almost surely, 2^233652138 is an apocalyptic number.

233652138 is an abundant number, since it is smaller than the sum of its proper divisors (245349462).

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

233652138 is a wasteful number, since it uses less digits than its factorization.

233652138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6106.

The product of its digits is 25920, while the sum is 33.

The square root of 233652138 is about 15285.6840867525. The cubic root of 233652138 is about 615.9185059027.

The spelling of 233652138 in words is "two hundred thirty-three million, six hundred fifty-two thousand, one hundred thirty-eight".