91114245136 has 20 divisors (see below), whose sum is σ = 176669372992. Its totient is φ = 45522148896.

The previous prime is 91114245133. The next prime is 91114245247. The reversal of 91114245136 is 63154241119.

It is a junction number, because it is equal to n+sod(n) for n = 91114245095 and 91114245104.

It is not an unprimeable number, because it can be changed into a prime (91114245133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2164356 + ... + 2206051.

Almost surely, 2^91114245136 is an apocalyptic number.

It is an amenable number.

91114245136 is a deficient number, since it is larger than the sum of its proper divisors (85555127856).

91114245136 is a wasteful number, since it uses less digits than its factorization.

91114245136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4371718 (or 4371712 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The spelling of 91114245136 in words is "ninety-one billion, one hundred fourteen million, two hundred forty-five thousand, one hundred thirty-six".