133047573657 has 4 divisors (see below), whose sum is σ = 177396764880. Its totient is φ = 88698382436.

The previous prime is 133047573649. The next prime is 133047573677. The reversal of 133047573657 is 756375740331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133047573657 - 2³ = 133047573649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133047573677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22174595607 + ... + 22174595612.

It is an arithmetic number, because the mean of its divisors is an integer number (44349191220).

Almost surely, 2^133047573657 is an apocalyptic number.

It is an amenable number.

133047573657 is a deficient number, since it is larger than the sum of its proper divisors (44349191223).

133047573657 is an equidigital number, since it uses as much as digits as its factorization.

133047573657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44349191222.

The product of its (nonzero) digits is 5556600, while the sum is 51.

The spelling of 133047573657 in words is "one hundred thirty-three billion, forty-seven million, five hundred seventy-three thousand, six hundred fifty-seven".