91098141 has 8 divisors (see below), whose sum is σ = 127857120. Its totient is φ = 57535632.

The previous prime is 91098131. The next prime is 91098143. The reversal of 91098141 is 14189019.

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

It is not a de Polignac number, because 91098141 - 2⁵ = 91098109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91098143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 799050 + ... + 799163.

It is an arithmetic number, because the mean of its divisors is an integer number (15982140).

Almost surely, 2^91098141 is an apocalyptic number.

It is an amenable number.

91098141 is a deficient number, since it is larger than the sum of its proper divisors (36758979).

91098141 is a wasteful number, since it uses less digits than its factorization.

91098141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598235.

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 91098141 is about 9544.5346141129. The cubic root of 91098141 is about 449.9557833098.

The spelling of 91098141 in words is "ninety-one million, ninety-eight thousand, one hundred forty-one".