1340029983 has 8 divisors (see below), whose sum is σ = 1795175296. Its totient is φ = 889119000.

The previous prime is 1340029961. The next prime is 1340029991. The reversal of 1340029983 is 3899200431.

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

It is not a de Polignac number, because 1340029983 - 2⁸ = 1340029727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340029903) 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, 1057843 + ... + 1059108.

It is an arithmetic number, because the mean of its divisors is an integer number (224396912).

Almost surely, 2^1340029983 is an apocalyptic number.

1340029983 is a deficient number, since it is larger than the sum of its proper divisors (455145313).

1340029983 is a wasteful number, since it uses less digits than its factorization.

1340029983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117165.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 1340029983 is about 36606.4199697266. The cubic root of 1340029983 is about 1102.4819941424.

The spelling of 1340029983 in words is "one billion, three hundred forty million, twenty-nine thousand, nine hundred eighty-three".