1340070936 has 64 divisors (see below), whose sum is σ = 3412281600. Its totient is φ = 438441600.

The previous prime is 1340070887. The next prime is 1340070943. The reversal of 1340070936 is 6390700431.

It is a super-2 number, since 2×1340070936² = 3591580227023832192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1340070897 and 1340070906.

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 15 ways as a sum of consecutive naturals, for example, 1227751 + ... + 1228841.

It is an arithmetic number, because the mean of its divisors is an integer number (53316900).

Almost surely, 2^1340070936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340070936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1706140800).

1340070936 is an abundant number, since it is smaller than the sum of its proper divisors (2072210664).

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

1340070936 is a wasteful number, since it uses less digits than its factorization.

1340070936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000 (or 1996 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 1340070936 is about 36606.9793345477. The cubic root of 1340070936 is about 1102.4932251063.

The spelling of 1340070936 in words is "one billion, three hundred forty million, seventy thousand, nine hundred thirty-six".