1336540620 has 96 divisors (see below), whose sum is σ = 3839996160. Its totient is φ = 347155200.

The previous prime is 1336540607. The next prime is 1336540631. The reversal of 1336540620 is 260456331.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1808211 + ... + 1808949.

It is an arithmetic number, because the mean of its divisors is an integer number (39999960).

Almost surely, 2^1336540620 is an apocalyptic number.

1336540620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1336540620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1919998080).

1336540620 is an abundant number, since it is smaller than the sum of its proper divisors (2503455540).

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

1336540620 is a wasteful number, since it uses less digits than its factorization.

1336540620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495 (or 1493 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1336540620 is about 36558.7283695700. The cubic root of 1336540620 is about 1101.5242285562.

Adding to 1336540620 its reverse (260456331), we get a palindrome (1596996951).

The spelling of 1336540620 in words is "one billion, three hundred thirty-six million, five hundred forty thousand, six hundred twenty".