133027556577 has 16 divisors (see below), whose sum is σ = 178505464128. Its totient is φ = 88117632000.

The previous prime is 133027556551. The next prime is 133027556581. The reversal of 133027556577 is 775655720331.

It is not a de Polignac number, because 133027556577 - 2²⁰ = 133026508001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133027556537) 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, 1922493 + ... + 1990485.

It is an arithmetic number, because the mean of its divisors is an integer number (11156591508).

Almost surely, 2^133027556577 is an apocalyptic number.

It is an amenable number.

133027556577 is a deficient number, since it is larger than the sum of its proper divisors (45477907551).

133027556577 is a wasteful number, since it uses less digits than its factorization.

133027556577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72160.

The product of its (nonzero) digits is 4630500, while the sum is 51.

The spelling of 133027556577 in words is "one hundred thirty-three billion, twenty-seven million, five hundred fifty-six thousand, five hundred seventy-seven".