100550139 has 8 divisors (see below), whose sum is σ = 134418432. Its totient is φ = 66857640.

The previous prime is 100550137. The next prime is 100550141. The reversal of 100550139 is 931055001.

It is an interprime number because it is at equal distance from previous prime (100550137) and next prime (100550141).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100550139 - 2¹ = 100550137 is a prime.

It is a super-2 number, since 2×100550139² = 20220660905838642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100550137) by changing a digit.

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, 42607 + ... + 44904.

It is an arithmetic number, because the mean of its divisors is an integer number (16802304).

Almost surely, 2^100550139 is an apocalyptic number.

100550139 is a deficient number, since it is larger than the sum of its proper divisors (33868293).

100550139 is an equidigital number, since it uses as much as digits as its factorization.

100550139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87897.

The product of its (nonzero) digits is 675, while the sum is 24.

The square root of 100550139 is about 10027.4692220919. The cubic root of 100550139 is about 465.0085002493.

The spelling of 100550139 in words is "one hundred million, five hundred fifty thousand, one hundred thirty-nine".