1340193 has 4 divisors (see below), whose sum is σ = 1786928. Its totient is φ = 893460.

The previous prime is 1340179. The next prime is 1340221. The reversal of 1340193 is 3910431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1340193 - 2¹⁷ = 1209121 is a prime.

It is a super-2 number, since 2×1340193² = 3592234554498, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340113) 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, 223363 + ... + 223368.

It is an arithmetic number, because the mean of its divisors is an integer number (446732).

2^1340193 is an apocalyptic number.

It is an amenable number.

1340193 is a deficient number, since it is larger than the sum of its proper divisors (446735).

1340193 is an equidigital number, since it uses as much as digits as its factorization.

1340193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446734.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1340193 is about 1157.6670505806. The cubic root of 1340193 is about 110.2526698620.

The spelling of 1340193 in words is "one million, three hundred forty thousand, one hundred ninety-three".