207007133 has 4 divisors (see below), whose sum is σ = 214145340. Its totient is φ = 199868928.

The previous prime is 207007121. The next prime is 207007183. The reversal of 207007133 is 331700702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92987449 + 114019684 = 9643^2 + 10678^2 .

It is not a de Polignac number, because 207007133 - 2²⁴ = 190229917 is a prime.

It is a super-2 number, since 2×207007133² = 85703906225759378, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 207007099 and 207007108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207007183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3569060 + ... + 3569117.

It is an arithmetic number, because the mean of its divisors is an integer number (53536335).

Almost surely, 2^207007133 is an apocalyptic number.

It is an amenable number.

207007133 is a deficient number, since it is larger than the sum of its proper divisors (7138207).

207007133 is an equidigital number, since it uses as much as digits as its factorization.

207007133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7138206.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 207007133 is about 14387.7424566886. The cubic root of 207007133 is about 591.5549645991.

Adding to 207007133 its reverse (331700702), we get a palindrome (538707835).

The spelling of 207007133 in words is "two hundred seven million, seven thousand, one hundred thirty-three".