93081137 has 4 divisors (see below), whose sum is σ = 98556516. Its totient is φ = 87605760.

The previous prime is 93081089. The next prime is 93081139. The reversal of 93081137 is 73118039.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73118039 = 89 ⋅821551.

It can be written as a sum of positive squares in 2 ways, for example, as 35988001 + 57093136 = 5999^2 + 7556^2 .

It is not a de Polignac number, because 93081137 - 2⁶ = 93081073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93081139) 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, 2737664 + ... + 2737697.

It is an arithmetic number, because the mean of its divisors is an integer number (24639129).

Almost surely, 2^93081137 is an apocalyptic number.

It is an amenable number.

93081137 is a deficient number, since it is larger than the sum of its proper divisors (5475379).

93081137 is a wasteful number, since it uses less digits than its factorization.

93081137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475378.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 93081137 is about 9647.8566013390. The cubic root of 93081137 is about 453.1972089252.

The spelling of 93081137 in words is "ninety-three million, eighty-one thousand, one hundred thirty-seven".