91054137 has 8 divisors (see below), whose sum is σ = 127795360. Its totient is φ = 57507840.

The previous prime is 91054127. The next prime is 91054189. The reversal of 91054137 is 73145019.

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

It is not a de Polignac number, because 91054137 - 2⁴ = 91054121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91054127) 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, 798664 + ... + 798777.

It is an arithmetic number, because the mean of its divisors is an integer number (15974420).

Almost surely, 2^91054137 is an apocalyptic number.

It is an amenable number.

91054137 is a deficient number, since it is larger than the sum of its proper divisors (36741223).

91054137 is a wasteful number, since it uses less digits than its factorization.

91054137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597463.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 91054137 is about 9542.2291420821. The cubic root of 91054137 is about 449.8833228367.

The spelling of 91054137 in words is "ninety-one million, fifty-four thousand, one hundred thirty-seven".