133502477 has 2 divisors, whose sum is σ = 133502478. Its totient is φ = 133502476.

The previous prime is 133502449. The next prime is 133502491. The reversal of 133502477 is 774205331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110901961 + 22600516 = 10531^2 + 4754^2 .

It is a cyclic number.

It is not a de Polignac number, because 133502477 - 2¹² = 133498381 is a prime.

It is a super-2 number, since 2×133502477² = 35645822730271058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133502497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66751238 + 66751239.

It is an arithmetic number, because the mean of its divisors is an integer number (66751239).

Almost surely, 2^133502477 is an apocalyptic number.

It is an amenable number.

133502477 is a deficient number, since it is larger than the sum of its proper divisors (1).

133502477 is an equidigital number, since it uses as much as digits as its factorization.

133502477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 133502477 is about 11554.3271980674. The cubic root of 133502477 is about 511.0888909562.

The spelling of 133502477 in words is "one hundred thirty-three million, five hundred two thousand, four hundred seventy-seven".