136184147993 has 4 divisors (see below), whose sum is σ = 136517116980. Its totient is φ = 135851179008.

The previous prime is 136184147969. The next prime is 136184148017. The reversal of 136184147993 is 399741481631.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (136184147969) and next prime (136184148017).

It can be written as a sum of positive squares in 2 ways, for example, as 129465394969 + 6718753024 = 359813^2 + 81968^2 .

It is a cyclic number.

It is not a de Polignac number, because 136184147993 - 2¹⁴ = 136184131609 is a prime.

It is a super-2 number, since 2×136184147993² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136184149993) 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 3 ways as a sum of consecutive naturals, for example, 166483880 + ... + 166484697.

It is an arithmetic number, because the mean of its divisors is an integer number (34129279245).

Almost surely, 2^136184147993 is an apocalyptic number.

It is an amenable number.

136184147993 is a deficient number, since it is larger than the sum of its proper divisors (332968987).

136184147993 is an equidigital number, since it uses as much as digits as its factorization.

136184147993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332968986.

The product of its digits is 3919104, while the sum is 56.

The spelling of 136184147993 in words is "one hundred thirty-six billion, one hundred eighty-four million, one hundred forty-seven thousand, nine hundred ninety-three".