100089139 has 2 divisors, whose sum is σ = 100089140. Its totient is φ = 100089138.

The previous prime is 100089127. The next prime is 100089163. The reversal of 100089139 is 931980001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100089139 - 2⁹ = 100088627 is a prime.

It is a super-2 number, since 2×100089139² = 20035671491522642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100089139.

It is not a weakly prime, because it can be changed into another prime (100089439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50044569 + 50044570.

It is an arithmetic number, because the mean of its divisors is an integer number (50044570).

Almost surely, 2^100089139 is an apocalyptic number.

100089139 is a deficient number, since it is larger than the sum of its proper divisors (1).

100089139 is an equidigital number, since it uses as much as digits as its factorization.

100089139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 100089139 is about 10004.4559572223. The cubic root of 100089139 is about 464.2967579317.

The spelling of 100089139 in words is "one hundred million, eighty-nine thousand, one hundred thirty-nine".