2135533856 has 12 divisors (see below), whose sum is σ = 4204332342. Its totient is φ = 1067766912.

The previous prime is 2135533849. The next prime is 2135533889. The reversal of 2135533856 is 6583355312.

It can be written as a sum of positive squares in only one way, i.e., 1400256400 + 735277456 = 37420^2 + 27116^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33367685 + ... + 33367748.

Almost surely, 2^2135533856 is an apocalyptic number.

It is an amenable number.

2135533856 is a deficient number, since it is larger than the sum of its proper divisors (2068798486).

2135533856 is an equidigital number, since it uses as much as digits as its factorization.

2135533856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66735443 (or 66735435 counting only the distinct ones).

The product of its digits is 324000, while the sum is 41.

The square root of 2135533856 is about 46211.8367520704. The cubic root of 2135533856 is about 1287.7616484732.

The spelling of 2135533856 in words is "two billion, one hundred thirty-five million, five hundred thirty-three thousand, eight hundred fifty-six".