1340031470 has 8 divisors (see below), whose sum is σ = 2412056664. Its totient is φ = 536012584.

The previous prime is 1340031467. The next prime is 1340031481. The reversal of 1340031470 is 741300431.

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

It is a Curzon number.

It is a congruent number.

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, 67001564 + ... + 67001583.

It is an arithmetic number, because the mean of its divisors is an integer number (301507083).

Almost surely, 2^1340031470 is an apocalyptic number.

1340031470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340031470 is a deficient number, since it is larger than the sum of its proper divisors (1072025194).

1340031470 is a wasteful number, since it uses less digits than its factorization.

1340031470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134003154.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1340031470 is about 36606.4402803660. The cubic root of 1340031470 is about 1102.4824019418.

The spelling of 1340031470 in words is "one billion, three hundred forty million, thirty-one thousand, four hundred seventy".