207542133 has 12 divisors (see below), whose sum is σ = 312817440. Its totient is φ = 132345576.

The previous prime is 207542113. The next prime is 207542143. The reversal of 207542133 is 331245702.

207542133 is a `hidden beast` number, since 207 + 5 + 421 + 33 = 666.

It is not a de Polignac number, because 207542133 - 2¹⁰ = 207541109 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 207542097 and 207542106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207542113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 501103 + ... + 501516.

It is an arithmetic number, because the mean of its divisors is an integer number (26068120).

Almost surely, 2^207542133 is an apocalyptic number.

207542133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

207542133 is a deficient number, since it is larger than the sum of its proper divisors (105275307).

207542133 is a wasteful number, since it uses less digits than its factorization.

207542133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002648 (or 1002645 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 207542133 is about 14406.3226744371. The cubic root of 207542133 is about 592.0641413413.

Adding to 207542133 its reverse (331245702), we get a palindrome (538787835).

The spelling of 207542133 in words is "two hundred seven million, five hundred forty-two thousand, one hundred thirty-three".