136215448 has 32 divisors (see below), whose sum is σ = 262447920. Its totient is φ = 66240000.

The previous prime is 136215419. The next prime is 136215449. The reversal of 136215448 is 844512631.

136215448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136215449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196783 + ... + 197473.

Almost surely, 2^136215448 is an apocalyptic number.

It is an amenable number.

136215448 is a deficient number, since it is larger than the sum of its proper divisors (126232472).

136215448 is a wasteful number, since it uses less digits than its factorization.

136215448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339 (or 1335 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 136215448 is about 11671.1373910172. The cubic root of 136215448 is about 514.5277324457.

The spelling of 136215448 in words is "one hundred thirty-six million, two hundred fifteen thousand, four hundred forty-eight".