234213134149 has 2 divisors, whose sum is σ = 234213134150. Its totient is φ = 234213134148.

The previous prime is 234213134093. The next prime is 234213134191. The reversal of 234213134149 is 941431312432.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221982322500 + 12230811649 = 471150^2 + 110593^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234213134149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234213132149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117106567074 + 117106567075.

It is an arithmetic number, because the mean of its divisors is an integer number (117106567075).

Almost surely, 2^234213134149 is an apocalyptic number.

It is an amenable number.

234213134149 is a deficient number, since it is larger than the sum of its proper divisors (1).

234213134149 is an equidigital number, since it uses as much as digits as its factorization.

234213134149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 37.

The spelling of 234213134149 in words is "two hundred thirty-four billion, two hundred thirteen million, one hundred thirty-four thousand, one hundred forty-nine".