133908174505 has 16 divisors (see below), whose sum is σ = 183651439104. Its totient is φ = 91819776960.

The previous prime is 133908174481. The next prime is 133908174551. The reversal of 133908174505 is 505471809331.

It is a happy number.

It is not a de Polignac number, because 133908174505 - 2⁵ = 133908174473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2049319 + ... + 2113651.

It is an arithmetic number, because the mean of its divisors is an integer number (11478214944).

Almost surely, 2^133908174505 is an apocalyptic number.

It is an amenable number.

133908174505 is a deficient number, since it is larger than the sum of its proper divisors (49743264599).

133908174505 is an equidigital number, since it uses as much as digits as its factorization.

133908174505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123816.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 133908174505 in words is "one hundred thirty-three billion, nine hundred eight million, one hundred seventy-four thousand, five hundred five".