2135499552 has 72 divisors (see below), whose sum is σ = 6297769296. Its totient is φ = 711830592.

The previous prime is 2135499521. The next prime is 2135499563. The reversal of 2135499552 is 2559945312.

2135499552 is a `hidden beast` number, since 2 + 1 + 3 + 5 + 4 + 99 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 2135499498 and 2135499507.

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, 129538 + ... + 145089.

It is an arithmetic number, because the mean of its divisors is an integer number (87469018).

Almost surely, 2^2135499552 is an apocalyptic number.

It is an amenable number.

2135499552 is an abundant number, since it is smaller than the sum of its proper divisors (4162269744).

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

2135499552 is an equidigital number, since it uses as much as digits as its factorization.

2135499552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274652 (or 274632 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The square root of 2135499552 is about 46211.4655902623. The cubic root of 2135499552 is about 1287.7547531463.

The spelling of 2135499552 in words is "two billion, one hundred thirty-five million, four hundred ninety-nine thousand, five hundred fifty-two".