136436870 has 16 divisors (see below), whose sum is σ = 249613488. Its totient is φ = 53679840.

The previous prime is 136436869. The next prime is 136436879. The reversal of 136436870 is 78634631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136436879) 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 7 ways as a sum of consecutive naturals, for example, 111224 + ... + 112443.

It is an arithmetic number, because the mean of its divisors is an integer number (15600843).

Almost surely, 2^136436870 is an apocalyptic number.

136436870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136436870 is a deficient number, since it is larger than the sum of its proper divisors (113176618).

136436870 is a wasteful number, since it uses less digits than its factorization.

136436870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223735.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 136436870 is about 11680.6194185069. The cubic root of 136436870 is about 514.8063745675.

The spelling of 136436870 in words is "one hundred thirty-six million, four hundred thirty-six thousand, eight hundred seventy".