137441050661 has 2 divisors, whose sum is σ = 137441050662. Its totient is φ = 137441050660.

The previous prime is 137441050613. The next prime is 137441050693. The reversal of 137441050661 is 166050144731.

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., 133027972900 + 4413077761 = 364730^2 + 66431^2 .

It is an emirp because it is prime and its reverse (166050144731) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137441050661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137441050561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68720525330 + 68720525331.

It is an arithmetic number, because the mean of its divisors is an integer number (68720525331).

Almost surely, 2^137441050661 is an apocalyptic number.

It is an amenable number.

137441050661 is a deficient number, since it is larger than the sum of its proper divisors (1).

137441050661 is an equidigital number, since it uses as much as digits as its factorization.

137441050661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 137441050661 in words is "one hundred thirty-seven billion, four hundred forty-one million, fifty thousand, six hundred sixty-one".