136203011 has 4 divisors (see below), whose sum is σ = 155660592. Its totient is φ = 116745432.

The previous prime is 136203007. The next prime is 136203013. The reversal of 136203011 is 110302631.

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 136203011 - 2² = 136203007 is a prime.

It is a super-2 number, since 2×136203011² = 37102520410932242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136203013) 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, 9728780 + ... + 9728793.

It is an arithmetic number, because the mean of its divisors is an integer number (38915148).

Almost surely, 2^136203011 is an apocalyptic number.

136203011 is a deficient number, since it is larger than the sum of its proper divisors (19457581).

136203011 is an equidigital number, since it uses as much as digits as its factorization.

136203011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19457580.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 136203011 is about 11670.6045687445. The cubic root of 136203011 is about 514.5120725083.

Adding to 136203011 its reverse (110302631), we get a palindrome (246505642).

The spelling of 136203011 in words is "one hundred thirty-six million, two hundred three thousand, eleven".