133792897 has 8 divisors (see below), whose sum is σ = 155060352. Its totient is φ = 113064000.

The previous prime is 133792891. The next prime is 133792913. The reversal of 133792897 is 798297331.

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

It is not a de Polignac number, because 133792897 - 2¹⁹ = 133268609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133792897.

It is not an unprimeable number, because it can be changed into a prime (133792891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134104 + ... + 135097.

It is an arithmetic number, because the mean of its divisors is an integer number (19382544).

Almost surely, 2^133792897 is an apocalyptic number.

It is an amenable number.

133792897 is a deficient number, since it is larger than the sum of its proper divisors (21267455).

133792897 is an equidigital number, since it uses as much as digits as its factorization.

133792897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269279.

The product of its digits is 571536, while the sum is 49.

The square root of 133792897 is about 11566.8879565767. The cubic root of 133792897 is about 511.4592284899.

It can be divided in two parts, 133792 and 897, that added together give a square (134689 = 367²).

The spelling of 133792897 in words is "one hundred thirty-three million, seven hundred ninety-two thousand, eight hundred ninety-seven".