80136403 has 2 divisors, whose sum is σ = 80136404. Its totient is φ = 80136402.

The previous prime is 80136383. The next prime is 80136409. The reversal of 80136403 is 30463108.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80136403 - 2²⁵ = 46581971 is a prime.

It is not a weakly prime, because it can be changed into another prime (80136409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40068201 + 40068202.

It is an arithmetic number, because the mean of its divisors is an integer number (40068202).

Almost surely, 2^80136403 is an apocalyptic number.

80136403 is a deficient number, since it is larger than the sum of its proper divisors (1).

80136403 is an equidigital number, since it uses as much as digits as its factorization.

80136403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 80136403 is about 8951.8938219798. The cubic root of 80136403 is about 431.1316917501.

The spelling of 80136403 in words is "eighty million, one hundred thirty-six thousand, four hundred three".