101400085 has 4 divisors (see below), whose sum is σ = 121680108. Its totient is φ = 81120064.

The previous prime is 101400073. The next prime is 101400109. The reversal of 101400085 is 580004101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 580004101 = 229 ⋅2532769.

It can be written as a sum of positive squares in 2 ways, for example, as 15689521 + 85710564 = 3961^2 + 9258^2 .

It is a cyclic number.

It is not a de Polignac number, because 101400085 - 2¹⁵ = 101367317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10140004 + ... + 10140013.

It is an arithmetic number, because the mean of its divisors is an integer number (30420027).

Almost surely, 2^101400085 is an apocalyptic number.

It is an amenable number.

101400085 is a deficient number, since it is larger than the sum of its proper divisors (20280023).

101400085 is an equidigital number, since it uses as much as digits as its factorization.

101400085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20280022.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 101400085 is about 10069.7609206972. The cubic root of 101400085 is about 466.3150579938.

Adding to 101400085 its reverse (580004101), we get a palindrome (681404186).

The spelling of 101400085 in words is "one hundred one million, four hundred thousand, eighty-five".