2068397136 has 60 divisors (see below), whose sum is σ = 6233924788. Its totient is φ = 636429312.

The previous prime is 2068397119. The next prime is 2068397147. The reversal of 2068397136 is 6317938602.

It can be written as a sum of positive squares in 2 ways, for example, as 366339600 + 1702057536 = 19140^2 + 41256^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2068397091 and 2068397100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 550585 + ... + 554328.

Almost surely, 2^2068397136 is an apocalyptic number.

2068397136 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2068397136 is an abundant number, since it is smaller than the sum of its proper divisors (4165527652).

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

2068397136 is a wasteful number, since it uses less digits than its factorization.

2068397136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104940 (or 1104931 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 2068397136 is about 45479.6342993213. The cubic root of 2068397136 is about 1274.1228643026.

The spelling of 2068397136 in words is "two billion, sixty-eight million, three hundred ninety-seven thousand, one hundred thirty-six".