61130137 has 2 divisors, whose sum is σ = 61130138. Its totient is φ = 61130136.

The previous prime is 61130119. The next prime is 61130177. The reversal of 61130137 is 73103116.

61130137 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., 30869136 + 30261001 = 5556^2 + 5501^2 .

It is a cyclic number.

It is not a de Polignac number, because 61130137 - 2⁷ = 61130009 is a prime.

It is not a weakly prime, because it can be changed into another prime (61130107) 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, 30565068 + 30565069.

It is an arithmetic number, because the mean of its divisors is an integer number (30565069).

Almost surely, 2^61130137 is an apocalyptic number.

It is an amenable number.

61130137 is a deficient number, since it is larger than the sum of its proper divisors (1).

61130137 is an equidigital number, since it uses as much as digits as its factorization.

61130137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 61130137 is about 7818.5764049474. The cubic root of 61130137 is about 393.9294560501.

The spelling of 61130137 in words is "sixty-one million, one hundred thirty thousand, one hundred thirty-seven".