2136564297 has 60 divisors (see below), whose sum is σ = 3813351300. Its totient is φ = 1187815104.

The previous prime is 2136564293. The next prime is 2136564319. The reversal of 2136564297 is 7924656312.

2136564297 is a `hidden beast` number, since 213 + 6 + 5 + 6 + 429 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1851494841 + 285069456 = 43029^2 + 16884^2 .

It is not a de Polignac number, because 2136564297 - 2² = 2136564293 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2136564293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 139579 + ... + 154127.

It is an arithmetic number, because the mean of its divisors is an integer number (63555855).

Almost surely, 2^2136564297 is an apocalyptic number.

2136564297 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2136564297 is a deficient number, since it is larger than the sum of its proper divisors (1676787003).

2136564297 is a wasteful number, since it uses less digits than its factorization.

2136564297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14612 (or 14596 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 2136564297 is about 46222.9845098734. The cubic root of 2136564297 is about 1287.9687393957.

The spelling of 2136564297 in words is "two billion, one hundred thirty-six million, five hundred sixty-four thousand, two hundred ninety-seven".