91142095 has 8 divisors (see below), whose sum is σ = 119313360. Its totient is φ = 66285120.

The previous prime is 91142081. The next prime is 91142101. The reversal of 91142095 is 59024119.

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

It is a de Polignac number, because none of the positive numbers 2^k-91142095 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 828510 + ... + 828619.

It is an arithmetic number, because the mean of its divisors is an integer number (14914170).

Almost surely, 2^91142095 is an apocalyptic number.

91142095 is a deficient number, since it is larger than the sum of its proper divisors (28171265).

91142095 is a wasteful number, since it uses less digits than its factorization.

91142095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657145.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 91142095 is about 9546.8369107260. The cubic root of 91142095 is about 450.0281381582.

The spelling of 91142095 in words is "ninety-one million, one hundred forty-two thousand, ninety-five".