133535057 has 2 divisors, whose sum is σ = 133535058. Its totient is φ = 133535056.

The previous prime is 133535047. The next prime is 133535069. The reversal of 133535057 is 750535331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86694721 + 46840336 = 9311^2 + 6844^2 .

It is a cyclic number.

It is not a de Polignac number, because 133535057 - 2⁴ = 133535041 is a prime.

It is a super-2 number, since 2×133535057² = 35663222895986498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133535027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66767528 + 66767529.

It is an arithmetic number, because the mean of its divisors is an integer number (66767529).

Almost surely, 2^133535057 is an apocalyptic number.

It is an amenable number.

133535057 is a deficient number, since it is larger than the sum of its proper divisors (1).

133535057 is an equidigital number, since it uses as much as digits as its factorization.

133535057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23625, while the sum is 32.

The square root of 133535057 is about 11555.7369734691. The cubic root of 133535057 is about 511.1304630231.

The spelling of 133535057 in words is "one hundred thirty-three million, five hundred thirty-five thousand, fifty-seven".