91043132 has 12 divisors (see below), whose sum is σ = 159444096. Its totient is φ = 45487680.

The previous prime is 91043123. The next prime is 91043179. The reversal of 91043132 is 23134019.

It is a junction number, because it is equal to n+sod(n) for n = 91043098 and 91043107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1853 + ... + 13620.

It is an arithmetic number, because the mean of its divisors is an integer number (13287008).

Almost surely, 2^91043132 is an apocalyptic number.

It is an amenable number.

91043132 is a deficient number, since it is larger than the sum of its proper divisors (68400964).

91043132 is a wasteful number, since it uses less digits than its factorization.

91043132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16948 (or 16946 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 91043132 is about 9541.6524774276. The cubic root of 91043132 is about 449.8651974825.

The spelling of 91043132 in words is "ninety-one million, forty-three thousand, one hundred thirty-two".