133792209213 has 24 divisors (see below), whose sum is σ = 193496956128. Its totient is φ = 82193222592.

The previous prime is 133792209209. The next prime is 133792209233. The reversal of 133792209213 is 312902297331.

It is not a de Polignac number, because 133792209213 - 2² = 133792209209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133792209233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72831 + ... + 522387.

It is an arithmetic number, because the mean of its divisors is an integer number (8062373172).

Almost surely, 2^133792209213 is an apocalyptic number.

133792209213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133792209213 is a deficient number, since it is larger than the sum of its proper divisors (59704746915).

133792209213 is a wasteful number, since it uses less digits than its factorization.

133792209213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450173 (or 450160 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 42.

The spelling of 133792209213 in words is "one hundred thirty-three billion, seven hundred ninety-two million, two hundred nine thousand, two hundred thirteen".