14190091 has 4 divisors (see below), whose sum is σ = 14301952. Its totient is φ = 14078232.

The previous prime is 14190089. The next prime is 14190097. The reversal of 14190091 is 19009141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19009141 = 941 ⋅20201.

It is a cyclic number.

It is not a de Polignac number, because 14190091 - 2¹ = 14190089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14190097) 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, 55740 + ... + 55993.

It is an arithmetic number, because the mean of its divisors is an integer number (3575488).

Almost surely, 2^14190091 is an apocalyptic number.

14190091 is a deficient number, since it is larger than the sum of its proper divisors (111861).

14190091 is a wasteful number, since it uses less digits than its factorization.

14190091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111860.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 14190091 is about 3766.9737190482. The cubic root of 14190091 is about 242.1001509293.

The spelling of 14190091 in words is "fourteen million, one hundred ninety thousand, ninety-one".