133490081696 has 12 divisors (see below), whose sum is σ = 262808598402. Its totient is φ = 66745040832.

The previous prime is 133490081633. The next prime is 133490081701. The reversal of 133490081696 is 696180094331.

It can be written as a sum of positive squares in only one way, i.e., 92671536400 + 40818545296 = 304420^2 + 202036^2 .

It is a super-2 number, since 2×133490081696² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2085782495 + ... + 2085782558.

Almost surely, 2^133490081696 is an apocalyptic number.

133490081696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133490081696 is a deficient number, since it is larger than the sum of its proper divisors (129318516706).

133490081696 is an equidigital number, since it uses as much as digits as its factorization.

133490081696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171565063 (or 4171565055 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 133490081696 in words is "one hundred thirty-three billion, four hundred ninety million, eighty-one thousand, six hundred ninety-six".