1340930 has 8 divisors (see below), whose sum is σ = 2413692. Its totient is φ = 536368.

The previous prime is 1340929. The next prime is 1340947. The reversal of 1340930 is 390431.

It can be written as a sum of positive squares in 2 ways, for example, as 1324801 + 16129 = 1151^2 + 127^2 .

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

It is a super-3 number, since 3×1340930³ = 7233351605107071000, which contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67037 + ... + 67056.

2^1340930 is an apocalyptic number.

1340930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340930 is a deficient number, since it is larger than the sum of its proper divisors (1072762).

1340930 is a wasteful number, since it uses less digits than its factorization.

1340930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134100.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1340930 is about 1157.9853194234. The cubic root of 1340930 is about 110.2728762371.

The spelling of 1340930 in words is "one million, three hundred forty thousand, nine hundred thirty".