136214788 has 18 divisors (see below), whose sum is σ = 241995614. Its totient is φ = 67076064.

The previous prime is 136214777. The next prime is 136214807. The reversal of 136214788 is 887412631.

It can be written as a sum of positive squares in only one way, i.e., 119421184 + 16793604 = 10928^2 + 4098^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 136214788.

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 in 5 ways as a sum of consecutive naturals, for example, 199095 + ... + 199777.

Almost surely, 2^136214788 is an apocalyptic number.

It is an amenable number.

136214788 is a deficient number, since it is larger than the sum of its proper divisors (105780826).

136214788 is an frugal number, since it uses more digits than its factorization.

136214788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443 (or 758 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 136214788 is about 11671.1091161037. The cubic root of 136214788 is about 514.5269014365.

The spelling of 136214788 in words is "one hundred thirty-six million, two hundred fourteen thousand, seven hundred eighty-eight".