191413 has 2 divisors, whose sum is σ = 191414. Its totient is φ = 191412.

The previous prime is 191353. The next prime is 191441. The reversal of 191413 is 314191.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142129 + 49284 = 377^2 + 222^2 .

It is a cyclic number.

It is not a de Polignac number, because 191413 - 2⁹ = 190901 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (191453) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95706 + 95707.

It is an arithmetic number, because the mean of its divisors is an integer number (95707).

2¹⁹¹⁴¹³ is an apocalyptic number.

It is an amenable number.

191413 is a deficient number, since it is larger than the sum of its proper divisors (1).

191413 is an equidigital number, since it uses as much as digits as its factorization.

191413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108, while the sum is 19.

The square root of 191413 is about 437.5077142177. The cubic root of 191413 is about 57.6311310946.

The spelling of 191413 in words is "one hundred ninety-one thousand, four hundred thirteen".