234220135892 has 12 divisors (see below), whose sum is σ = 409978234260. Its totient is φ = 117083497536.

The previous prime is 234220135889. The next prime is 234220135907. The reversal of 234220135892 is 298531022432.

234220135892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 70094680516 + 164125455376 = 264754^2 + 405124^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6622763 + ... + 6658034.

It is an arithmetic number, because the mean of its divisors is an integer number (34164852855).

Almost surely, 2^234220135892 is an apocalyptic number.

It is an amenable number.

234220135892 is a deficient number, since it is larger than the sum of its proper divisors (175758098368).

234220135892 is a wasteful number, since it uses less digits than its factorization.

234220135892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13285210 (or 13285208 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 234220135892 in words is "two hundred thirty-four billion, two hundred twenty million, one hundred thirty-five thousand, eight hundred ninety-two".