136112387 has 4 divisors (see below), whose sum is σ = 144119016. Its totient is φ = 128105760.

The previous prime is 136112293. The next prime is 136112393. The reversal of 136112387 is 783211631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136112387 - 2²⁰ = 135063811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136112687) 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 3 ways as a sum of consecutive naturals, for example, 4003289 + ... + 4003322.

It is an arithmetic number, because the mean of its divisors is an integer number (36029754).

Almost surely, 2^136112387 is an apocalyptic number.

136112387 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

136112387 is a deficient number, since it is larger than the sum of its proper divisors (8006629).

136112387 is an equidigital number, since it uses as much as digits as its factorization.

136112387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8006628.

The product of its digits is 6048, while the sum is 32.

The square root of 136112387 is about 11666.7213474909. The cubic root of 136112387 is about 514.3979353175.

The spelling of 136112387 in words is "one hundred thirty-six million, one hundred twelve thousand, three hundred eighty-seven".