1340000052 has 24 divisors (see below), whose sum is σ = 3129621600. Its totient is φ = 446244576.

The previous prime is 1340000003. The next prime is 1340000063. The reversal of 1340000052 is 2500000431.

It is a junction number, because it is equal to n+sod(n) for n = 1339999986 and 1340000040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39402 + ... + 65057.

It is an arithmetic number, because the mean of its divisors is an integer number (130400900).

Almost surely, 2^1340000052 is an apocalyptic number.

1340000052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1340000052 is an abundant number, since it is smaller than the sum of its proper divisors (1789621548).

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

1340000052 is a wasteful number, since it uses less digits than its factorization.

1340000052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105535 (or 105533 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1340000052 is about 36606.0111457121. The cubic root of 1340000052 is about 1102.4737857106.

Adding to 1340000052 its reverse (2500000431), we get a palindrome (3840000483).

The spelling of 1340000052 in words is "one billion, three hundred forty million, fifty-two", and thus it is an aban number.