91328142 has 8 divisors (see below), whose sum is σ = 182656296. Its totient is φ = 30442712.

The previous prime is 91328141. The next prime is 91328161. The reversal of 91328142 is 24182319.

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

91328142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91328141) 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, 7610673 + ... + 7610684.

It is an arithmetic number, because the mean of its divisors is an integer number (22832037).

Almost surely, 2^91328142 is an apocalyptic number.

91328142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

91328142 is a wasteful number, since it uses less digits than its factorization.

91328142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15221362.

The product of its digits is 3456, while the sum is 30.

The square root of 91328142 is about 9556.5758512137. The cubic root of 91328142 is about 450.3341419491.

The spelling of 91328142 in words is "ninety-one million, three hundred twenty-eight thousand, one hundred forty-two".