191414017 has 4 divisors (see below), whose sum is σ = 191602516. Its totient is φ = 191225520.

The previous prime is 191413979. The next prime is 191414021. The reversal of 191414017 is 710414191.

191414017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 93779856 + 97634161 = 9684^2 + 9881^2 .

It is a cyclic number.

It is not a de Polignac number, because 191414017 - 2¹⁵ = 191381249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (191414087) 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, 92718 + ... + 94759.

It is an arithmetic number, because the mean of its divisors is an integer number (47900629).

Almost surely, 2^191414017 is an apocalyptic number.

It is an amenable number.

191414017 is a deficient number, since it is larger than the sum of its proper divisors (188499).

191414017 is a wasteful number, since it uses less digits than its factorization.

191414017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188498.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 191414017 is about 13835.2454622244. The cubic root of 191414017 is about 576.3123316146.

It can be divided in two parts, 1914 and 14017, that added together give a triangular number (15931 = T₁₇₈).

The spelling of 191414017 in words is "one hundred ninety-one million, four hundred fourteen thousand, seventeen".