1371340836 has 108 divisors (see below), whose sum is σ = 3726237060. Its totient is φ = 425103360.

The previous prime is 1371340829. The next prime is 1371340847. The reversal of 1371340836 is 6380431731.

It can be written as a sum of positive squares in 6 ways, for example, as 11943936 + 1359396900 = 3456^2 + 36870^2 .

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 1371340836.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 925216 + ... + 926696.

It is an arithmetic number, because the mean of its divisors is an integer number (34502195).

Almost surely, 2^1371340836 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 1371340836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1863118530).

1371340836 is an abundant number, since it is smaller than the sum of its proper divisors (2354896224).

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

1371340836 is a wasteful number, since it uses less digits than its factorization.

1371340836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614 (or 1592 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 1371340836 is about 37031.6194082841. The cubic root of 1371340836 is about 1111.0027558943.

The spelling of 1371340836 in words is "one billion, three hundred seventy-one million, three hundred forty thousand, eight hundred thirty-six".