136463787730 has 16 divisors (see below), whose sum is σ = 245847878424. Its totient is φ = 54538168320.

The previous prime is 136463787721. The next prime is 136463787731. The reversal of 136463787730 is 37787364631.

It can be written as a sum of positive squares in 4 ways, for example, as 120876514929 + 15587272801 = 347673^2 + 124849^2 .

It is not an unprimeable number, because it can be changed into a prime (136463787731) 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 7 ways as a sum of consecutive naturals, for example, 5906241 + ... + 5929300.

Almost surely, 2^136463787730 is an apocalyptic number.

136463787730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136463787730 is a deficient number, since it is larger than the sum of its proper divisors (109384090694).

136463787730 is a wasteful number, since it uses less digits than its factorization.

136463787730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11836701.

The product of its (nonzero) digits is 10668672, while the sum is 55.

The spelling of 136463787730 in words is "one hundred thirty-six billion, four hundred sixty-three million, seven hundred eighty-seven thousand, seven hundred thirty".