136552980691 has 24 divisors (see below), whose sum is σ = 147526243200. Its totient is φ = 126253881600.

The previous prime is 136552980671. The next prime is 136552980727. The reversal of 136552980691 is 196089255631.

It is not a de Polignac number, because 136552980691 - 2¹⁷ = 136552849619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136552980661) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 15427035 + ... + 15435883.

It is an arithmetic number, because the mean of its divisors is an integer number (6146926800).

Almost surely, 2^136552980691 is an apocalyptic number.

136552980691 is a deficient number, since it is larger than the sum of its proper divisors (10973262509).

136552980691 is an equidigital number, since it uses as much as digits as its factorization.

136552980691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9867 (or 9844 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 55.

The spelling of 136552980691 in words is "one hundred thirty-six billion, five hundred fifty-two million, nine hundred eighty thousand, six hundred ninety-one".