133128500001 has 16 divisors (see below), whose sum is σ = 203756150784. Its totient is φ = 75738300624.

The previous prime is 133128499993. The next prime is 133128500009. The reversal of 133128500001 is 100005821331.

It is an interprime number because it is at equal distance from previous prime (133128499993) and next prime (133128500009).

It is not a de Polignac number, because 133128500001 - 2³ = 133128499993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133128500009) 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, 13958785 + ... + 13968318.

It is an arithmetic number, because the mean of its divisors is an integer number (12734759424).

Almost surely, 2^133128500001 is an apocalyptic number.

It is an amenable number.

133128500001 is a deficient number, since it is larger than the sum of its proper divisors (70627650783).

133128500001 is a wasteful number, since it uses less digits than its factorization.

133128500001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27927340.

The product of its (nonzero) digits is 720, while the sum is 24.

The spelling of 133128500001 in words is "one hundred thirty-three billion, one hundred twenty-eight million, five hundred thousand, one".