136785603 has 8 divisors (see below), whose sum is σ = 183246016. Its totient is φ = 90757800.

The previous prime is 136785581. The next prime is 136785637. The reversal of 136785603 is 306587631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136785603 - 2¹³ = 136777411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136785643) 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 in 7 ways as a sum of consecutive naturals, for example, 107413 + ... + 108678.

It is an arithmetic number, because the mean of its divisors is an integer number (22905752).

Almost surely, 2^136785603 is an apocalyptic number.

136785603 is a deficient number, since it is larger than the sum of its proper divisors (46460413).

136785603 is a wasteful number, since it uses less digits than its factorization.

136785603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216305.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 136785603 is about 11695.5377388130. The cubic root of 136785603 is about 515.2446168807.

The spelling of 136785603 in words is "one hundred thirty-six million, seven hundred eighty-five thousand, six hundred three".