235540141 has 2 divisors, whose sum is σ = 235540142. Its totient is φ = 235540140.

The previous prime is 235540103. The next prime is 235540163. The reversal of 235540141 is 141045532.

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., 142706916 + 92833225 = 11946^2 + 9635^2 .

It is a cyclic number.

It is not a de Polignac number, because 235540141 - 2²⁵ = 201985709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235540241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117770070 + 117770071.

It is an arithmetic number, because the mean of its divisors is an integer number (117770071).

Almost surely, 2^235540141 is an apocalyptic number.

It is an amenable number.

235540141 is a deficient number, since it is larger than the sum of its proper divisors (1).

235540141 is an equidigital number, since it uses as much as digits as its factorization.

235540141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 235540141 is about 15347.3170619493. The cubic root of 235540141 is about 617.5730137074.

Adding to 235540141 its reverse (141045532), we get a palindrome (376585673).

The spelling of 235540141 in words is "two hundred thirty-five million, five hundred forty thousand, one hundred forty-one".