136681803 has 8 divisors (see below), whose sum is σ = 202491600. Its totient is φ = 91121184.

The previous prime is 136681789. The next prime is 136681807. The reversal of 136681803 is 308186631.

It is not a de Polignac number, because 136681803 - 2¹⁰ = 136680779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136681807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2531118 + ... + 2531171.

It is an arithmetic number, because the mean of its divisors is an integer number (25311450).

Almost surely, 2^136681803 is an apocalyptic number.

136681803 is a deficient number, since it is larger than the sum of its proper divisors (65809797).

136681803 is an equidigital number, since it uses as much as digits as its factorization.

136681803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5062298 (or 5062292 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 136681803 is about 11691.0993067376. The cubic root of 136681803 is about 515.1142524657.

The spelling of 136681803 in words is "one hundred thirty-six million, six hundred eighty-one thousand, eight hundred three".