137327761 has 2 divisors, whose sum is σ = 137327762. Its totient is φ = 137327760.

The previous prime is 137327753. The next prime is 137327803. The reversal of 137327761 is 167723731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107516161 + 29811600 = 10369^2 + 5460^2 .

It is a cyclic number.

It is not a de Polignac number, because 137327761 - 2³ = 137327753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137327761.

It is not a weakly prime, because it can be changed into another prime (137327741) 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, 68663880 + 68663881.

It is an arithmetic number, because the mean of its divisors is an integer number (68663881).

Almost surely, 2^137327761 is an apocalyptic number.

It is an amenable number.

137327761 is a deficient number, since it is larger than the sum of its proper divisors (1).

137327761 is an equidigital number, since it uses as much as digits as its factorization.

137327761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37044, while the sum is 37.

The square root of 137327761 is about 11718.6928025271. The cubic root of 137327761 is about 515.9244538660.

The spelling of 137327761 in words is "one hundred thirty-seven million, three hundred twenty-seven thousand, seven hundred sixty-one".