133034471721 has 12 divisors (see below), whose sum is σ = 192164136372. Its totient is φ = 88688155776.

The previous prime is 133034471699. The next prime is 133034471729. The reversal of 133034471721 is 127174430331.

133034471721 is a `hidden beast` number, since 13 + 30 + 3 + 447 + 172 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27887330025 + 105147141696 = 166995^2 + 324264^2 .

It is not a de Polignac number, because 133034471721 - 2⁷ = 133034471593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133034471729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 809485 + ... + 959861.

It is an arithmetic number, because the mean of its divisors is an integer number (16013678031).

Almost surely, 2^133034471721 is an apocalyptic number.

It is an amenable number.

133034471721 is a deficient number, since it is larger than the sum of its proper divisors (59129664651).

133034471721 is a wasteful number, since it uses less digits than its factorization.

133034471721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248680 (or 248677 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The spelling of 133034471721 in words is "one hundred thirty-three billion, thirty-four million, four hundred seventy-one thousand, seven hundred twenty-one".