133755571057 has 2 divisors, whose sum is σ = 133755571058. Its totient is φ = 133755571056.

The previous prime is 133755570973. The next prime is 133755571063. The reversal of 133755571057 is 750175557331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121148548096 + 12607022961 = 348064^2 + 112281^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133755571057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133755571057.

It is not a weakly prime, because it can be changed into another prime (133755571087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66877785528 + 66877785529.

It is an arithmetic number, because the mean of its divisors is an integer number (66877785529).

Almost surely, 2^133755571057 is an apocalyptic number.

It is an amenable number.

133755571057 is a deficient number, since it is larger than the sum of its proper divisors (1).

133755571057 is an equidigital number, since it uses as much as digits as its factorization.

133755571057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1929375, while the sum is 49.

The spelling of 133755571057 in words is "one hundred thirty-three billion, seven hundred fifty-five million, five hundred seventy-one thousand, fifty-seven".