137440141 has 2 divisors, whose sum is σ = 137440142. Its totient is φ = 137440140.

The previous prime is 137440139. The next prime is 137440151. The reversal of 137440141 is 141044731.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137241225 + 198916 = 11715^2 + 446^2 .

It is an emirp because it is prime and its reverse (141044731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137440141 - 2¹ = 137440139 is a prime.

Together with 137440139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137440151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68720070 + 68720071.

It is an arithmetic number, because the mean of its divisors is an integer number (68720071).

Almost surely, 2^137440141 is an apocalyptic number.

It is an amenable number.

137440141 is a deficient number, since it is larger than the sum of its proper divisors (1).

137440141 is an equidigital number, since it uses as much as digits as its factorization.

137440141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 137440141 is about 11723.4867253731. The cubic root of 137440141 is about 516.0651483654.

Adding to 137440141 its reverse (141044731), we get a palindrome (278484872).

The spelling of 137440141 in words is "one hundred thirty-seven million, four hundred forty thousand, one hundred forty-one".