1340590 has 8 divisors (see below), whose sum is σ = 2413080. Its totient is φ = 536232.

The previous prime is 1340587. The next prime is 1340617. The reversal of 1340590 is 950431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67020 + ... + 67039.

It is an arithmetic number, because the mean of its divisors is an integer number (301635).

2^1340590 is an apocalyptic number.

1340590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340590 is a deficient number, since it is larger than the sum of its proper divisors (1072490).

1340590 is a wasteful number, since it uses less digits than its factorization.

1340590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134066.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1340590 is about 1157.8385034192. The cubic root of 1340590 is about 110.2635553560.

The spelling of 1340590 in words is "one million, three hundred forty thousand, five hundred ninety".