136987803 has 6 divisors (see below), whose sum is σ = 197871284. Its totient is φ = 91325196.

The previous prime is 136987787. The next prime is 136987811. The reversal of 136987803 is 308789631.

It is a happy number.

It is not a de Polignac number, because 136987803 - 2⁴ = 136987787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136987813) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 7610425 + ... + 7610442.

Almost surely, 2^136987803 is an apocalyptic number.

136987803 is a deficient number, since it is larger than the sum of its proper divisors (60883481).

136987803 is a wasteful number, since it uses less digits than its factorization.

136987803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15220873 (or 15220870 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 136987803 is about 11704.1788691048. The cubic root of 136987803 is about 515.4983745041.

The spelling of 136987803 in words is "one hundred thirty-six million, nine hundred eighty-seven thousand, eight hundred three".