133772653757 has 2 divisors, whose sum is σ = 133772653758. Its totient is φ = 133772653756.

The previous prime is 133772653723. The next prime is 133772653789. The reversal of 133772653757 is 757356277331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131086719481 + 2685934276 = 362059^2 + 51826^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133772653757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133772658757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66886326878 + 66886326879.

It is an arithmetic number, because the mean of its divisors is an integer number (66886326879).

Almost surely, 2^133772653757 is an apocalyptic number.

It is an amenable number.

133772653757 is a deficient number, since it is larger than the sum of its proper divisors (1).

133772653757 is an equidigital number, since it uses as much as digits as its factorization.

133772653757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19448100, while the sum is 56.

The spelling of 133772653757 in words is "one hundred thirty-three billion, seven hundred seventy-two million, six hundred fifty-three thousand, seven hundred fifty-seven".