137438133061 has 2 divisors, whose sum is σ = 137438133062. Its totient is φ = 137438133060.

The previous prime is 137438133017. The next prime is 137438133083. The reversal of 137438133061 is 160331834731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134725702500 + 2712430561 = 367050^2 + 52081^2 .

It is a cyclic number.

It is not a de Polignac number, because 137438133061 - 2⁷ = 137438132933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137438113061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68719066530 + 68719066531.

It is an arithmetic number, because the mean of its divisors is an integer number (68719066531).

Almost surely, 2^137438133061 is an apocalyptic number.

It is an amenable number.

137438133061 is a deficient number, since it is larger than the sum of its proper divisors (1).

137438133061 is an equidigital number, since it uses as much as digits as its factorization.

137438133061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

Adding to 137438133061 its reverse (160331834731), we get a palindrome (297769967792).

The spelling of 137438133061 in words is "one hundred thirty-seven billion, four hundred thirty-eight million, one hundred thirty-three thousand, sixty-one".