136469274 has 16 divisors (see below), whose sum is σ = 273183840. Its totient is φ = 45448880.

The previous prime is 136469257. The next prime is 136469287. The reversal of 136469274 is 472964631.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 7 ways as a sum of consecutive naturals, for example, 2544 + ... + 16715.

It is an arithmetic number, because the mean of its divisors is an integer number (17073990).

Almost surely, 2^136469274 is an apocalyptic number.

136469274 is an abundant number, since it is smaller than the sum of its proper divisors (136714566).

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

136469274 is a wasteful number, since it uses less digits than its factorization.

136469274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20445.

The product of its digits is 217728, while the sum is 42.

The square root of 136469274 is about 11682.0064201318. The cubic root of 136469274 is about 514.8471271521.

The spelling of 136469274 in words is "one hundred thirty-six million, four hundred sixty-nine thousand, two hundred seventy-four".