136211043 has 4 divisors (see below), whose sum is σ = 181614728. Its totient is φ = 90807360.

The previous prime is 136211041. The next prime is 136211059. The reversal of 136211043 is 340112631.

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

It is not a de Polignac number, because 136211043 - 2¹ = 136211041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136211041) 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 3 ways as a sum of consecutive naturals, for example, 22701838 + ... + 22701843.

It is an arithmetic number, because the mean of its divisors is an integer number (45403682).

Almost surely, 2^136211043 is an apocalyptic number.

136211043 is a deficient number, since it is larger than the sum of its proper divisors (45403685).

136211043 is an equidigital number, since it uses as much as digits as its factorization.

136211043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45403684.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 136211043 is about 11670.9486760931. The cubic root of 136211043 is about 514.5221860383.

Adding to 136211043 its reverse (340112631), we get a palindrome (476323674).

The spelling of 136211043 in words is "one hundred thirty-six million, two hundred eleven thousand, forty-three".