1340080 has 40 divisors (see below), whose sum is σ = 3562272. Its totient is φ = 459264.

The previous prime is 1340071. The next prime is 1340083. The reversal of 1340080 is 800431.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1340083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637 + ... + 1756.

2^1340080 is an apocalyptic number.

1340080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340080 is an abundant number, since it is smaller than the sum of its proper divisors (2222192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340080 is a wasteful number, since it uses less digits than its factorization.

1340080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413 (or 2407 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1340080 is about 1157.6182445003. The cubic root of 1340080 is about 110.2495710790.

The spelling of 1340080 in words is "one million, three hundred forty thousand, eighty".