136430216 has 16 divisors (see below), whose sum is σ = 275484300. Its totient is φ = 62967744.

The previous prime is 136430213. The next prime is 136430233. The reversal of 136430216 is 612034631.

It can be written as a sum of positive squares in 2 ways, for example, as 109286116 + 27144100 = 10454^2 + 5210^2 .

It is a super-2 number, since 2×136430216² = 37226407675613312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (136430213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655811 + ... + 656018.

Almost surely, 2^136430216 is an apocalyptic number.

It is an amenable number.

136430216 is an abundant number, since it is smaller than the sum of its proper divisors (139054084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136430216 is a wasteful number, since it uses less digits than its factorization.

136430216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311848 (or 1311844 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 136430216 is about 11680.3345842489. The cubic root of 136430216 is about 514.7980054287.

Adding to 136430216 its reverse (612034631), we get a palindrome (748464847).

The spelling of 136430216 in words is "one hundred thirty-six million, four hundred thirty thousand, two hundred sixteen".