133632061 has 2 divisors, whose sum is σ = 133632062. Its totient is φ = 133632060.

The previous prime is 133632043. The next prime is 133632071. The reversal of 133632061 is 160236331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84548025 + 49084036 = 9195^2 + 7006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133632061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133632071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66816030 + 66816031.

It is an arithmetic number, because the mean of its divisors is an integer number (66816031).

Almost surely, 2^133632061 is an apocalyptic number.

It is an amenable number.

133632061 is a deficient number, since it is larger than the sum of its proper divisors (1).

133632061 is an equidigital number, since it uses as much as digits as its factorization.

133632061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 133632061 is about 11559.9334340644. The cubic root of 133632061 is about 511.2542000639.

Adding to 133632061 its reverse (160236331), we get a palindrome (293868392).

The spelling of 133632061 in words is "one hundred thirty-three million, six hundred thirty-two thousand, sixty-one".