2136635025 has 192 divisors, whose sum is σ = 4533043200. Its totient is φ = 865624320.

The previous prime is 2136635023. The next prime is 2136635077. The reversal of 2136635025 is 5205366312.

It is not a de Polignac number, because 2136635025 - 2¹ = 2136635023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2136635023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 15371406 + ... + 15371544.

It is an arithmetic number, because the mean of its divisors is an integer number (23609600).

Almost surely, 2^2136635025 is an apocalyptic number.

2136635025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2136635025 is an abundant number, since it is smaller than the sum of its proper divisors (2396408175).

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

2136635025 is a wasteful number, since it uses less digits than its factorization.

2136635025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 2136635025 is about 46223.7495774629. The cubic root of 2136635025 is about 1287.9829513789.

The spelling of 2136635025 in words is "two billion, one hundred thirty-six million, six hundred thirty-five thousand, twenty-five".