133134205551 has 32 divisors (see below), whose sum is σ = 181367424000. Its totient is φ = 86851660800.

The previous prime is 133134205549. The next prime is 133134205553. The reversal of 133134205551 is 155502431331.

It is an interprime number because it is at equal distance from previous prime (133134205549) and next prime (133134205553).

It is not a de Polignac number, because 133134205551 - 2¹ = 133134205549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133134205553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24656350 + ... + 24661748.

It is an arithmetic number, because the mean of its divisors is an integer number (5667732000).

Almost surely, 2^133134205551 is an apocalyptic number.

133134205551 is a deficient number, since it is larger than the sum of its proper divisors (48233218449).

133134205551 is a wasteful number, since it uses less digits than its factorization.

133134205551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6439.

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 133134205551 its reverse (155502431331), we get a palindrome (288636636882).

The spelling of 133134205551 in words is "one hundred thirty-three billion, one hundred thirty-four million, two hundred five thousand, five hundred fifty-one".