612136136 has 16 divisors (see below), whose sum is σ = 1215270540. Its totient is φ = 288064000.

The previous prime is 612136097. The next prime is 612136141. The reversal of 612136136 is 631631216.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 599956036 + 12180100 = 24494^2 + 3490^2 .

It is a junction number, because it is equal to n+sod(n) for n = 612136099 and 612136108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2250365 + ... + 2250636.

Almost surely, 2^612136136 is an apocalyptic number.

It is an amenable number.

612136136 is a deficient number, since it is larger than the sum of its proper divisors (603134404).

612136136 is a wasteful number, since it uses less digits than its factorization.

612136136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501024 (or 4501020 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

The square root of 612136136 is about 24741.3850865306. The cubic root of 612136136 is about 849.0814233579.

The spelling of 612136136 in words is "six hundred twelve million, one hundred thirty-six thousand, one hundred thirty-six".