136406468 has 24 divisors (see below), whose sum is σ = 271736640. Its totient is φ = 59306720.

The previous prime is 136406461. The next prime is 136406477. The reversal of 136406468 is 864604631.

It is not an unprimeable number, because it can be changed into a prime (136406461) 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, 66383 + ... + 68406.

It is an arithmetic number, because the mean of its divisors is an integer number (11322360).

Almost surely, 2^136406468 is an apocalyptic number.

It is an amenable number.

136406468 is a deficient number, since it is larger than the sum of its proper divisors (135330172).

136406468 is a wasteful number, since it uses less digits than its factorization.

136406468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134827 (or 134825 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 136406468 is about 11679.3179595386. The cubic root of 136406468 is about 514.7681339119.

It can be divided in two parts, 136 and 406468, that added together give a palindrome (406604).

The spelling of 136406468 in words is "one hundred thirty-six million, four hundred six thousand, four hundred sixty-eight".