136726272 has 144 divisors (see below), whose sum is σ = 410108160. Its totient is φ = 44928000.

The previous prime is 136726259. The next prime is 136726277. The reversal of 136726272 is 272627631.

It is a happy number.

136726272 is a `hidden beast` number, since 1 + 367 + 26 + 272 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136726277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 905397 + ... + 905547.

Almost surely, 2^136726272 is an apocalyptic number.

136726272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136726272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205054080).

136726272 is an abundant number, since it is smaller than the sum of its proper divisors (273381888).

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

136726272 is a wasteful number, since it uses less digits than its factorization.

136726272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 287 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 136726272 is about 11693.0009834944. Note that the first 3 decimals coincide. The cubic root of 136726272 is about 515.1701100157.

The spelling of 136726272 in words is "one hundred thirty-six million, seven hundred twenty-six thousand, two hundred seventy-two".