1340170 has 32 divisors (see below), whose sum is σ = 2656080. Its totient is φ = 486720.

The previous prime is 1340159. The next prime is 1340179. The reversal of 1340170 is 710431.

It can be written as a sum of positive squares in 8 ways, for example, as 385641 + 954529 = 621^2 + 977^2 .

It is not an unprimeable number, because it can be changed into a prime (1340179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21940 + ... + 22000.

2^1340170 is an apocalyptic number.

1340170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340170 is a deficient number, since it is larger than the sum of its proper divisors (1315910).

1340170 is an equidigital number, since it uses as much as digits as its factorization.

1340170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 1340170 is about 1157.6571167664. The cubic root of 1340170 is about 110.2520391503.

The spelling of 1340170 in words is "one million, three hundred forty thousand, one hundred seventy".