133627020657 has 16 divisors (see below), whose sum is σ = 191922033408. Its totient is φ = 82211725440.

The previous prime is 133627020629. The next prime is 133627020661. The reversal of 133627020657 is 756020726331.

It is not a de Polignac number, because 133627020657 - 2¹⁹ = 133626496369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133627020697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261769 + ... + 579462.

It is an arithmetic number, because the mean of its divisors is an integer number (11995127088).

Almost surely, 2^133627020657 is an apocalyptic number.

It is an amenable number.

133627020657 is a deficient number, since it is larger than the sum of its proper divisors (58295012751).

133627020657 is a wasteful number, since it uses less digits than its factorization.

133627020657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845320.

The product of its (nonzero) digits is 317520, while the sum is 42.

Adding to 133627020657 its reverse (756020726331), we get a palindrome (889647746988).

The spelling of 133627020657 in words is "one hundred thirty-three billion, six hundred twenty-seven million, twenty thousand, six hundred fifty-seven".