136264405254 has 32 divisors (see below), whose sum is σ = 272969209440. Its totient is φ = 45348114432.

The previous prime is 136264405253. The next prime is 136264405261. The reversal of 136264405254 is 452504462631.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136264405253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23262294 + ... + 23268150.

It is an arithmetic number, because the mean of its divisors is an integer number (8530287795).

Almost surely, 2^136264405254 is an apocalyptic number.

136264405254 is an abundant number, since it is smaller than the sum of its proper divisors (136704804186).

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

136264405254 is a wasteful number, since it uses less digits than its factorization.

136264405254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11464.

The product of its (nonzero) digits is 691200, while the sum is 42.

Adding to 136264405254 its reverse (452504462631), we get a palindrome (588768867885).

The spelling of 136264405254 in words is "one hundred thirty-six billion, two hundred sixty-four million, four hundred five thousand, two hundred fifty-four".