133550708523 has 16 divisors (see below), whose sum is σ = 181021209600. Its totient is φ = 87566628384.

The previous prime is 133550708491. The next prime is 133550708531. The reversal of 133550708523 is 325807055331.

It is not a de Polignac number, because 133550708523 - 2⁵ = 133550708491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133550708593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1147048 + ... + 1258101.

It is an arithmetic number, because the mean of its divisors is an integer number (11313825600).

Almost surely, 2^133550708523 is an apocalyptic number.

133550708523 is a deficient number, since it is larger than the sum of its proper divisors (47470501077).

133550708523 is a wasteful number, since it uses less digits than its factorization.

133550708523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405458.

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 133550708523 in words is "one hundred thirty-three billion, five hundred fifty million, seven hundred eight thousand, five hundred twenty-three".