133923207 has 8 divisors (see below), whose sum is σ = 194797440. Its totient is φ = 81165560.

The previous prime is 133923169. The next prime is 133923217. The reversal of 133923207 is 702329331.

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

It is a cyclic number.

It is not a de Polignac number, because 133923207 - 2¹⁰ = 133922183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133923217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2029107 + ... + 2029172.

It is an arithmetic number, because the mean of its divisors is an integer number (24349680).

Almost surely, 2^133923207 is an apocalyptic number.

133923207 is a deficient number, since it is larger than the sum of its proper divisors (60874233).

133923207 is a wasteful number, since it uses less digits than its factorization.

133923207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058293.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 133923207 is about 11572.5194750322. The cubic root of 133923207 is about 511.6252229174.

The spelling of 133923207 in words is "one hundred thirty-three million, nine hundred twenty-three thousand, two hundred seven".