377442137 has 2 divisors, whose sum is σ = 377442138. Its totient is φ = 377442136.

The previous prime is 377442133. The next prime is 377442157. The reversal of 377442137 is 731244773.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189998656 + 187443481 = 13784^2 + 13691^2 .

It is a cyclic number.

It is not a de Polignac number, because 377442137 - 2² = 377442133 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 377442137.

It is not a weakly prime, because it can be changed into another prime (377442133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188721068 + 188721069.

It is an arithmetic number, because the mean of its divisors is an integer number (188721069).

Almost surely, 2^377442137 is an apocalyptic number.

It is an amenable number.

377442137 is a deficient number, since it is larger than the sum of its proper divisors (1).

377442137 is an equidigital number, since it uses as much as digits as its factorization.

377442137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98784, while the sum is 38.

The square root of 377442137 is about 19427.8701097161. The cubic root of 377442137 is about 722.6868085732.

The spelling of 377442137 in words is "three hundred seventy-seven million, four hundred forty-two thousand, one hundred thirty-seven".