234800135388 has 72 divisors (see below), whose sum is σ = 730489320288. Its totient is φ = 61925309568.

The previous prime is 234800135387. The next prime is 234800135429. The reversal of 234800135388 is 883531008432.

234800135388 is a `hidden beast` number, since 2 + 3 + 480 + 0 + 135 + 38 + 8 = 666.

It is a super-2 number, since 2×234800135388² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234800135387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35833131 + ... + 35839682.

It is an arithmetic number, because the mean of its divisors is an integer number (10145685004).

Almost surely, 2^234800135388 is an apocalyptic number.

234800135388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

234800135388 is an abundant number, since it is smaller than the sum of its proper divisors (495689184900).

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

234800135388 is a wasteful number, since it uses less digits than its factorization.

234800135388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71672843 (or 71672838 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 234800135388 in words is "two hundred thirty-four billion, eight hundred million, one hundred thirty-five thousand, three hundred eighty-eight".