133550751890 has 32 divisors (see below), whose sum is σ = 250864615296. Its totient is φ = 51093306880.

The previous prime is 133550751883. The next prime is 133550751899. The reversal of 133550751890 is 98157055331.

It is not an unprimeable number, because it can be changed into a prime (133550751899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4309250 + ... + 4340130.

It is an arithmetic number, because the mean of its divisors is an integer number (7839519228).

Almost surely, 2^133550751890 is an apocalyptic number.

133550751890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133550751890 is a deficient number, since it is larger than the sum of its proper divisors (117313863406).

133550751890 is a wasteful number, since it uses less digits than its factorization.

133550751890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49714.

The product of its (nonzero) digits is 567000, while the sum is 47.

The spelling of 133550751890 in words is "one hundred thirty-three billion, five hundred fifty million, seven hundred fifty-one thousand, eight hundred ninety".