33100145138 has 16 divisors (see below), whose sum is σ = 52269084000. Its totient is φ = 15677307072.

The previous prime is 33100145101. The next prime is 33100145153. The reversal of 33100145138 is 83154100133.

It is a self number, because there is not a number n which added to its sum of digits gives 33100145138.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348653 + ... + 433311.

It is an arithmetic number, because the mean of its divisors is an integer number (3266817750).

Almost surely, 2^33100145138 is an apocalyptic number.

33100145138 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

33100145138 is a deficient number, since it is larger than the sum of its proper divisors (19168938862).

33100145138 is a wasteful number, since it uses less digits than its factorization.

33100145138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94969.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 33100145138 in words is "thirty-three billion, one hundred million, one hundred forty-five thousand, one hundred thirty-eight".