133027551 has 6 divisors (see below), whose sum is σ = 192150920. Its totient is φ = 88685028.

The previous prime is 133027549. The next prime is 133027571. The reversal of 133027551 is 155720331.

It is not a de Polignac number, because 133027551 - 2¹ = 133027549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133027501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7390411 + ... + 7390428.

Almost surely, 2^133027551 is an apocalyptic number.

133027551 is a deficient number, since it is larger than the sum of its proper divisors (59123369).

133027551 is a wasteful number, since it uses less digits than its factorization.

133027551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14780845 (or 14780842 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 133027551 is about 11533.7570201561. The cubic root of 133027551 is about 510.4821161871.

Adding to 133027551 its reverse (155720331), we get a palindrome (288747882).

The spelling of 133027551 in words is "one hundred thirty-three million, twenty-seven thousand, five hundred fifty-one".