137200044442057 has 2 divisors, whose sum is σ = 137200044442058. Its totient is φ = 137200044442056.

The previous prime is 137200044442003. The next prime is 137200044442091. The reversal of 137200044442057 is 750244440002731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133453694510656 + 3746349931401 = 11552216^2 + 1935549^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137200044442057 is a prime.

It is not a weakly prime, because it can be changed into another prime (137200044442157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68600022221028 + 68600022221029.

It is an arithmetic number, because the mean of its divisors is an integer number (68600022221029).

Almost surely, 2^{137200044442057} is an apocalyptic number.

It is an amenable number.

137200044442057 is a deficient number, since it is larger than the sum of its proper divisors (1).

137200044442057 is an equidigital number, since it uses as much as digits as its factorization.

137200044442057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 752640, while the sum is 43.

Adding to 137200044442057 its reverse (750244440002731), we get a palindrome (887444484444788).

The spelling of 137200044442057 in words is "one hundred thirty-seven trillion, two hundred billion, forty-four million, four hundred forty-two thousand, fifty-seven".