133130254551 has 32 divisors (see below), whose sum is σ = 212953079808. Its totient is φ = 72331073760.

The previous prime is 133130254549. The next prime is 133130254553. The reversal of 133130254551 is 155452031331.

It is an interprime number because it is at equal distance from previous prime (133130254549) and next prime (133130254553).

It is not a de Polignac number, because 133130254551 - 2¹ = 133130254549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133130254553) 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, 744585 + ... + 905906.

It is an arithmetic number, because the mean of its divisors is an integer number (6654783744).

Almost surely, 2^133130254551 is an apocalyptic number.

133130254551 is a deficient number, since it is larger than the sum of its proper divisors (79822825257).

133130254551 is a wasteful number, since it uses less digits than its factorization.

133130254551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650691.

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

Adding to 133130254551 its reverse (155452031331), we get a palindrome (288582285882).

The spelling of 133130254551 in words is "one hundred thirty-three billion, one hundred thirty million, two hundred fifty-four thousand, five hundred fifty-one".