91266129 has 8 divisors (see below), whose sum is σ = 135209120. Its totient is φ = 60844068.

The previous prime is 91266113. The next prime is 91266143. The reversal of 91266129 is 92166219.

It is not a de Polignac number, because 91266129 - 2⁴ = 91266113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91266093 and 91266102.

It is not an unprimeable number, because it can be changed into a prime (91266179) 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, 1690087 + ... + 1690140.

It is an arithmetic number, because the mean of its divisors is an integer number (16901140).

Almost surely, 2^91266129 is an apocalyptic number.

It is an amenable number.

91266129 is a deficient number, since it is larger than the sum of its proper divisors (43942991).

91266129 is a wasteful number, since it uses less digits than its factorization.

91266129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380236 (or 3380230 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 91266129 is about 9553.3307804137. The cubic root of 91266129 is about 450.2321912843.

The spelling of 91266129 in words is "ninety-one million, two hundred sixty-six thousand, one hundred twenty-nine".