136984621041 has 10 divisors (see below), whose sum is σ = 204631347602. Its totient is φ = 91323080640.

The previous prime is 136984621013. The next prime is 136984621073. The reversal of 136984621041 is 140126489631.

136984621041 is a `hidden beast` number, since 13 + 6 + 9 + 8 + 4 + 621 + 0 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 116134416225 + 20850204816 = 340785^2 + 144396^2 .

It is not a de Polignac number, because 136984621041 - 2⁹ = 136984620529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136983621041) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 845584000 + ... + 845584161.

Almost surely, 2^136984621041 is an apocalyptic number.

It is an amenable number.

136984621041 is a deficient number, since it is larger than the sum of its proper divisors (67646726561).

136984621041 is an equidigital number, since it uses as much as digits as its factorization.

136984621041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691168173 (or 1691168164 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 136984621041 in words is "one hundred thirty-six billion, nine hundred eighty-four million, six hundred twenty-one thousand, forty-one".