133140544551 has 24 divisors (see below), whose sum is σ = 219797139744. Its totient is φ = 76076997120.

The previous prime is 133140544547. The next prime is 133140544553. The reversal of 133140544551 is 155445041331.

133140544551 is a `hidden beast` number, since 13 + 3 + 1 + 40 + 54 + 4 + 551 = 666.

It is not a de Polignac number, because 133140544551 - 2² = 133140544547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133140544553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2730255 + ... + 2778591.

It is an arithmetic number, because the mean of its divisors is an integer number (9158214156).

Almost surely, 2^133140544551 is an apocalyptic number.

133140544551 is a deficient number, since it is larger than the sum of its proper divisors (86656595193).

133140544551 is a wasteful number, since it uses less digits than its factorization.

133140544551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92071 (or 92068 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 133140544551 its reverse (155445041331), we get a palindrome (288585585882).

The spelling of 133140544551 in words is "one hundred thirty-three billion, one hundred forty million, five hundred forty-four thousand, five hundred fifty-one".