133207892 has 12 divisors (see below), whose sum is σ = 233393076. Its totient is φ = 66524160.

The previous prime is 133207891. The next prime is 133207901. The reversal of 133207892 is 298702331.

It can be written as a sum of positive squares in 2 ways, for example, as 65869456 + 67338436 = 8116^2 + 8206^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133207891) 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, 16109 + ... + 22932.

It is an arithmetic number, because the mean of its divisors is an integer number (19449423).

Almost surely, 2^133207892 is an apocalyptic number.

It is an amenable number.

133207892 is a deficient number, since it is larger than the sum of its proper divisors (100185184).

133207892 is a wasteful number, since it uses less digits than its factorization.

133207892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39898 (or 39896 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 133207892 is about 11541.5723365580. The cubic root of 133207892 is about 510.7126931983.

It can be divided in two parts, 13320 and 7892, that added together give a palindrome (21212).

The spelling of 133207892 in words is "one hundred thirty-three million, two hundred seven thousand, eight hundred ninety-two".