136454830643 has 16 divisors (see below), whose sum is σ = 141156587520. Its totient is φ = 131836228896.

The previous prime is 136454830639. The next prime is 136454830663. The reversal of 136454830643 is 346038454631.

It is a cyclic number.

It is not a de Polignac number, because 136454830643 - 2² = 136454830639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136454830663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1490138 + ... + 1579056.

It is an arithmetic number, because the mean of its divisors is an integer number (8822286720).

Almost surely, 2^136454830643 is an apocalyptic number.

136454830643 is a deficient number, since it is larger than the sum of its proper divisors (4701756877).

136454830643 is a wasteful number, since it uses less digits than its factorization.

136454830643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89386.

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 136454830643 in words is "one hundred thirty-six billion, four hundred fifty-four million, eight hundred thirty thousand, six hundred forty-three".