133748642737 has 2 divisors, whose sum is σ = 133748642738. Its totient is φ = 133748642736.

The previous prime is 133748642719. The next prime is 133748642813. The reversal of 133748642737 is 737246847331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116520505201 + 17228137536 = 341351^2 + 131256^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133748642737 is a prime.

It is not a weakly prime, because it can be changed into another prime (133748642707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66874321368 + 66874321369.

It is an arithmetic number, because the mean of its divisors is an integer number (66874321369).

Almost surely, 2^133748642737 is an apocalyptic number.

It is an amenable number.

133748642737 is a deficient number, since it is larger than the sum of its proper divisors (1).

133748642737 is an equidigital number, since it uses as much as digits as its factorization.

133748642737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14224896, while the sum is 55.

The spelling of 133748642737 in words is "one hundred thirty-three billion, seven hundred forty-eight million, six hundred forty-two thousand, seven hundred thirty-seven".