133387097 has 4 divisors (see below), whose sum is σ = 139186560. Its totient is φ = 127587636.

The previous prime is 133387091. The next prime is 133387103. The reversal of 133387097 is 790783331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (133387091) and next prime (133387103).

It is a cyclic number.

It is not a de Polignac number, because 133387097 - 2¹² = 133383001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133387091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2899697 + ... + 2899742.

It is an arithmetic number, because the mean of its divisors is an integer number (34796640).

Almost surely, 2^133387097 is an apocalyptic number.

It is an amenable number.

133387097 is a deficient number, since it is larger than the sum of its proper divisors (5799463).

133387097 is an equidigital number, since it uses as much as digits as its factorization.

133387097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5799462.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 133387097 is about 11549.3331842146. Note that the first 3 decimals coincide. The cubic root of 133387097 is about 510.9416117099.

The spelling of 133387097 in words is "one hundred thirty-three million, three hundred eighty-seven thousand, ninety-seven".