91400014 has 4 divisors (see below), whose sum is σ = 137100024. Its totient is φ = 45700006.

The previous prime is 91399963. The next prime is 91400033. The reversal of 91400014 is 41000419.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 91399964 and 91400000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22850002 + ... + 22850005.

It is an arithmetic number, because the mean of its divisors is an integer number (34275006).

Almost surely, 2^91400014 is an apocalyptic number.

91400014 is a deficient number, since it is larger than the sum of its proper divisors (45700010).

91400014 is a wasteful number, since it uses less digits than its factorization.

91400014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45700009.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 91400014 is about 9560.3354543656. The cubic root of 91400014 is about 450.4522432924.

The spelling of 91400014 in words is "ninety-one million, four hundred thousand, fourteen".