136634275645 has 12 divisors (see below), whose sum is σ = 190730295324. Its totient is φ = 93692074560.

The previous prime is 136634275621. The next prime is 136634275693. The reversal of 136634275645 is 546572436631.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 107147547556 + 29486728089 = 327334^2 + 171717^2 .

It is not a de Polignac number, because 136634275645 - 2¹⁹ = 136633751357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136634275592 and 136634275601.

It is a congruent number.

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, 278845216 + ... + 278845705.

It is an arithmetic number, because the mean of its divisors is an integer number (15894191277).

Almost surely, 2^136634275645 is an apocalyptic number.

It is an amenable number.

136634275645 is a deficient number, since it is larger than the sum of its proper divisors (54096019679).

136634275645 is an equidigital number, since it uses as much as digits as its factorization.

136634275645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557690940 (or 557690933 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 52.

The spelling of 136634275645 in words is "one hundred thirty-six billion, six hundred thirty-four million, two hundred seventy-five thousand, six hundred forty-five".