238141913 has 2 divisors, whose sum is σ = 238141914. Its totient is φ = 238141912.

The previous prime is 238141901. The next prime is 238141951. The reversal of 238141913 is 319141832.

238141913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213510544 + 24631369 = 14612^2 + 4963^2 .

It is a cyclic number.

It is not a de Polignac number, because 238141913 - 2¹⁸ = 237879769 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 238141913.

It is not a weakly prime, because it can be changed into another prime (238141973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119070956 + 119070957.

It is an arithmetic number, because the mean of its divisors is an integer number (119070957).

Almost surely, 2^238141913 is an apocalyptic number.

It is an amenable number.

238141913 is a deficient number, since it is larger than the sum of its proper divisors (1).

238141913 is an equidigital number, since it uses as much as digits as its factorization.

238141913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The square root of 238141913 is about 15431.8473618682. The cubic root of 238141913 is about 619.8385922187.

The spelling of 238141913 in words is "two hundred thirty-eight million, one hundred forty-one thousand, nine hundred thirteen".