1340083836 has 144 divisors (see below), whose sum is σ = 4209214464. Its totient is φ = 350034048.

The previous prime is 1340083793. The next prime is 1340083861. The reversal of 1340083836 is 6383800431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1340083836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 348621 + ... + 352443.

It is an arithmetic number, because the mean of its divisors is an integer number (29230656).

Almost surely, 2^1340083836 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 1340083836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2104607232).

1340083836 is an abundant number, since it is smaller than the sum of its proper divisors (2869130628).

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

1340083836 is a wasteful number, since it uses less digits than its factorization.

1340083836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960 (or 3955 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 1340083836 is about 36607.1555300326. The cubic root of 1340083836 is about 1102.4967627591.

The spelling of 1340083836 in words is "one billion, three hundred forty million, eighty-three thousand, eight hundred thirty-six".