136961527898 has 12 divisors (see below), whose sum is σ = 222461180478. Its totient is φ = 63213012720.

The previous prime is 136961527861. The next prime is 136961527907. The reversal of 136961527898 is 898725169631.

It can be written as a sum of positive squares in 3 ways, for example, as 32214147289 + 104747380609 = 179483^2 + 323647^2 .

It is a Curzon number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 202605473 + ... + 202606148.

Almost surely, 2^136961527898 is an apocalyptic number.

136961527898 is a deficient number, since it is larger than the sum of its proper divisors (85499652580).

136961527898 is a wasteful number, since it uses less digits than its factorization.

136961527898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405211649 (or 405211636 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 65.

The spelling of 136961527898 in words is "one hundred thirty-six billion, nine hundred sixty-one million, five hundred twenty-seven thousand, eight hundred ninety-eight".