133720183265 has 8 divisors (see below), whose sum is σ = 160633670400. Its totient is φ = 106863179632.

The previous prime is 133720183249. The next prime is 133720183271. The reversal of 133720183265 is 562381027331.

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

It is a cyclic number.

It is not a de Polignac number, because 133720183265 - 2⁴ = 133720183249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14115665 + ... + 14125134.

It is an arithmetic number, because the mean of its divisors is an integer number (20079208800).

Almost surely, 2^133720183265 is an apocalyptic number.

It is an amenable number.

133720183265 is a deficient number, since it is larger than the sum of its proper divisors (26913487135).

133720183265 is an equidigital number, since it uses as much as digits as its factorization.

133720183265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28241751.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 133720183265 in words is "one hundred thirty-three billion, seven hundred twenty million, one hundred eighty-three thousand, two hundred sixty-five".