91058130 has 48 divisors (see below), whose sum is σ = 242535384. Its totient is φ = 23688960.

The previous prime is 91058119. The next prime is 91058167. The reversal of 91058130 is 3185019.

It can be written as a sum of positive squares in 4 ways, for example, as 66048129 + 25010001 = 8127^2 + 5001^2 .

It is a junction number, because it is equal to n+sod(n) for n = 91058094 and 91058103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8649 + ... + 16028.

Almost surely, 2^91058130 is an apocalyptic number.

91058130 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

91058130 is an abundant number, since it is smaller than the sum of its proper divisors (151477254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91058130 is a wasteful number, since it uses less digits than its factorization.

91058130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24731 (or 24728 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 91058130 is about 9542.4383676291. The cubic root of 91058130 is about 449.8898989898.

The spelling of 91058130 in words is "ninety-one million, fifty-eight thousand, one hundred thirty".