136984961066 has 16 divisors (see below), whose sum is σ = 205692466056. Its totient is φ = 68420837376.

The previous prime is 136984960967. The next prime is 136984961083. The reversal of 136984961066 is 660169489631.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 136884460441 + 100500625 = 369979^2 + 10025^2 .

It is a junction number, because it is equal to n+sod(n) for n = 136984960996 and 136984961014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18769130 + ... + 18776426.

Almost surely, 2^136984961066 is an apocalyptic number.

136984961066 is a deficient number, since it is larger than the sum of its proper divisors (68707504990).

136984961066 is a wasteful number, since it uses less digits than its factorization.

136984961066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15833.

The product of its (nonzero) digits is 10077696, while the sum is 59.

The spelling of 136984961066 in words is "one hundred thirty-six billion, nine hundred eighty-four million, nine hundred sixty-one thousand, sixty-six".