133137140551 has 4 divisors (see below), whose sum is σ = 140968737072. Its totient is φ = 125305544032.

The previous prime is 133137140533. The next prime is 133137140627. The reversal of 133137140551 is 155041731331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133137140551 - 2⁵ = 133137140519 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 (133137140051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3915798235 + ... + 3915798268.

It is an arithmetic number, because the mean of its divisors is an integer number (35242184268).

Almost surely, 2^133137140551 is an apocalyptic number.

133137140551 is a deficient number, since it is larger than the sum of its proper divisors (7831596521).

133137140551 is an equidigital number, since it uses as much as digits as its factorization.

133137140551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7831596520.

The product of its (nonzero) digits is 18900, while the sum is 34.

Adding to 133137140551 its reverse (155041731331), we get a palindrome (288178871882).

The spelling of 133137140551 in words is "one hundred thirty-three billion, one hundred thirty-seven million, one hundred forty thousand, five hundred fifty-one".