133750251890 has 16 divisors (see below), whose sum is σ = 240947327808. Its totient is φ = 53456350896.

The previous prime is 133750251881. The next prime is 133750251919. The reversal of 133750251890 is 98152057331.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5455892 + ... + 5480351.

It is an arithmetic number, because the mean of its divisors is an integer number (15059207988).

Almost surely, 2^133750251890 is an apocalyptic number.

133750251890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133750251890 is a deficient number, since it is larger than the sum of its proper divisors (107197075918).

133750251890 is a wasteful number, since it uses less digits than its factorization.

133750251890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10937473.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 133750251890 in words is "one hundred thirty-three billion, seven hundred fifty million, two hundred fifty-one thousand, eight hundred ninety".