136977803 has 2 divisors, whose sum is σ = 136977804. Its totient is φ = 136977802.

The previous prime is 136977791. The next prime is 136977839. The reversal of 136977803 is 308779631.

It is a weak prime.

It is an emirp because it is prime and its reverse (308779631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136977803 - 2⁶ = 136977739 is a prime.

It is not a weakly prime, because it can be changed into another prime (136971803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68488901 + 68488902.

It is an arithmetic number, because the mean of its divisors is an integer number (68488902).

Almost surely, 2^136977803 is an apocalyptic number.

136977803 is a deficient number, since it is larger than the sum of its proper divisors (1).

136977803 is an equidigital number, since it uses as much as digits as its factorization.

136977803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 136977803 is about 11703.7516634624. The cubic root of 136977803 is about 515.4858305426.

The spelling of 136977803 in words is "one hundred thirty-six million, nine hundred seventy-seven thousand, eight hundred three".