133667607 has 8 divisors (see below), whose sum is σ = 182368384. Its totient is φ = 87039288.

The previous prime is 133667591. The next prime is 133667609. The reversal of 133667607 is 706766331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133667607 - 2⁴ = 133667591 is a prime.

It is a super-2 number, since 2×133667607² = 35734058322212898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133667609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517963 + ... + 518220.

It is an arithmetic number, because the mean of its divisors is an integer number (22796048).

Almost surely, 2^133667607 is an apocalyptic number.

133667607 is a deficient number, since it is larger than the sum of its proper divisors (48700777).

133667607 is a wasteful number, since it uses less digits than its factorization.

133667607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036229.

The product of its (nonzero) digits is 95256, while the sum is 39.

The square root of 133667607 is about 11561.4707974375. The cubic root of 133667607 is about 511.2995270874.

The spelling of 133667607 in words is "one hundred thirty-three million, six hundred sixty-seven thousand, six hundred seven".