133130254550 has 12 divisors (see below), whose sum is σ = 247622273556. Its totient is φ = 53252101800.

The previous prime is 133130254549. The next prime is 133130254553. The reversal of 133130254550 is 55452031331.

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 5 ways as a sum of consecutive naturals, for example, 1331302496 + ... + 1331302595.

It is an arithmetic number, because the mean of its divisors is an integer number (20635189463).

Almost surely, 2^133130254550 is an apocalyptic number.

133130254550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133130254550 is a deficient number, since it is larger than the sum of its proper divisors (114492019006).

133130254550 is a wasteful number, since it uses less digits than its factorization.

133130254550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662605103 (or 2662605098 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 133130254550 its reverse (55452031331), we get a palindrome (188582285881).

The spelling of 133130254550 in words is "one hundred thirty-three billion, one hundred thirty million, two hundred fifty-four thousand, five hundred fifty".