133632667 has 16 divisors (see below), whose sum is σ = 158653440. Its totient is φ = 110128032.

The previous prime is 133632637. The next prime is 133632673. The reversal of 133632667 is 766236331.

It is not a de Polignac number, because 133632667 - 2¹⁵ = 133599899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133632607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52138 + ... + 54640.

It is an arithmetic number, because the mean of its divisors is an integer number (9915840).

Almost surely, 2^133632667 is an apocalyptic number.

133632667 is a deficient number, since it is larger than the sum of its proper divisors (25020773).

133632667 is a wasteful number, since it uses less digits than its factorization.

133632667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802.

The product of its digits is 81648, while the sum is 37.

The square root of 133632667 is about 11559.9596452583. The cubic root of 133632667 is about 511.2549728814.

Adding to 133632667 its reverse (766236331), we get a palindrome (899868998).

The spelling of 133632667 in words is "one hundred thirty-three million, six hundred thirty-two thousand, six hundred sixty-seven".