136003643 has 2 divisors, whose sum is σ = 136003644. Its totient is φ = 136003642.

The previous prime is 136003639. The next prime is 136003661. The reversal of 136003643 is 346300631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136003643 - 2² = 136003639 is a prime.

It is a weakly prime.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68001821 + 68001822.

It is an arithmetic number, because the mean of its divisors is an integer number (68001822).

Almost surely, 2^136003643 is an apocalyptic number.

136003643 is a deficient number, since it is larger than the sum of its proper divisors (1).

136003643 is an equidigital number, since it uses as much as digits as its factorization.

136003643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 136003643 is about 11662.0599809811. The cubic root of 136003643 is about 514.2609098450.

The spelling of 136003643 in words is "one hundred thirty-six million, three thousand, six hundred forty-three".