1340594 has 4 divisors (see below), whose sum is σ = 2010894. Its totient is φ = 670296.

The previous prime is 1340587. The next prime is 1340617. The reversal of 1340594 is 4950431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4950431 = 19 ⋅260549.

It can be written as a sum of positive squares in only one way, i.e., 1075369 + 265225 = 1037^2 + 515^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335147 + ... + 335150.

2^1340594 is an apocalyptic number.

1340594 is a deficient number, since it is larger than the sum of its proper divisors (670300).

1340594 is an equidigital number, since it uses as much as digits as its factorization.

1340594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670299.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1340594 is about 1157.8402307745. The cubic root of 1340594 is about 110.2636650226.

The spelling of 1340594 in words is "one million, three hundred forty thousand, five hundred ninety-four".