133770757 has 2 divisors, whose sum is σ = 133770758. Its totient is φ = 133770756.

The previous prime is 133770727. The next prime is 133770839. The reversal of 133770757 is 757077331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126202756 + 7568001 = 11234^2 + 2751^2 .

It is a cyclic number.

It is not a de Polignac number, because 133770757 - 2⁷ = 133770629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133770727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66885378 + 66885379.

It is an arithmetic number, because the mean of its divisors is an integer number (66885379).

Almost surely, 2^133770757 is an apocalyptic number.

It is an amenable number.

133770757 is a deficient number, since it is larger than the sum of its proper divisors (1).

133770757 is an equidigital number, since it uses as much as digits as its factorization.

133770757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108045, while the sum is 40.

The square root of 133770757 is about 11565.9308747718. The cubic root of 133770757 is about 511.4310149045.

The spelling of 133770757 in words is "one hundred thirty-three million, seven hundred seventy thousand, seven hundred fifty-seven".