81096141 has 8 divisors (see below), whose sum is σ = 123575104. Its totient is φ = 46340640.

The previous prime is 81096133. The next prime is 81096143. The reversal of 81096141 is 14169018.

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

It is not a de Polignac number, because 81096141 - 2³ = 81096133 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 81096099 and 81096108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81096143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1930840 + ... + 1930881.

It is an arithmetic number, because the mean of its divisors is an integer number (15446888).

Almost surely, 2^81096141 is an apocalyptic number.

It is an amenable number.

81096141 is a deficient number, since it is larger than the sum of its proper divisors (42478963).

81096141 is a wasteful number, since it uses less digits than its factorization.

81096141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861731.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 81096141 is about 9005.3395827142. The cubic root of 81096141 is about 432.8459877498.

The spelling of 81096141 in words is "eighty-one million, ninety-six thousand, one hundred forty-one".