91914130 has 64 divisors (see below), whose sum is σ = 209018880. Its totient is φ = 28267200.

The previous prime is 91914113. The next prime is 91914131. The reversal of 91914130 is 3141919.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (91914131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60075 + ... + 61585.

It is an arithmetic number, because the mean of its divisors is an integer number (3265920).

Almost surely, 2^91914130 is an apocalyptic number.

91914130 is an abundant number, since it is smaller than the sum of its proper divisors (117104750).

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

91914130 is a wasteful number, since it uses less digits than its factorization.

91914130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 91914130 is about 9587.1857184473. The cubic root of 91914130 is about 451.2952476989.

The spelling of 91914130 in words is "ninety-one million, nine hundred fourteen thousand, one hundred thirty".