136620214 has 4 divisors (see below), whose sum is σ = 204930324. Its totient is φ = 68310106.

The previous prime is 136620173. The next prime is 136620221. The reversal of 136620214 is 412026631.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 34155052 + ... + 34155055.

It is an arithmetic number, because the mean of its divisors is an integer number (51232581).

Almost surely, 2^136620214 is an apocalyptic number.

136620214 is a deficient number, since it is larger than the sum of its proper divisors (68310110).

136620214 is an equidigital number, since it uses as much as digits as its factorization.

136620214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68310109.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 136620214 is about 11688.4649975949. The cubic root of 136620214 is about 515.0368704554.

Adding to 136620214 its reverse (412026631), we get a palindrome (548646845).

The spelling of 136620214 in words is "one hundred thirty-six million, six hundred twenty thousand, two hundred fourteen".