133213442577 has 8 divisors (see below), whose sum is σ = 177624695616. Its totient is φ = 88805575632.

The previous prime is 133213442539. The next prime is 133213442627. The reversal of 133213442577 is 775244312331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133213442577 - 2⁸ = 133213442321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133213442077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753258 + ... + 913139.

It is an arithmetic number, because the mean of its divisors is an integer number (22203086952).

Almost surely, 2^133213442577 is an apocalyptic number.

It is an amenable number.

133213442577 is a deficient number, since it is larger than the sum of its proper divisors (44411253039).

133213442577 is a wasteful number, since it uses less digits than its factorization.

133213442577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693047.

The product of its digits is 423360, while the sum is 42.

The spelling of 133213442577 in words is "one hundred thirty-three billion, two hundred thirteen million, four hundred forty-two thousand, five hundred seventy-seven".