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136072 = 2373233
BaseRepresentation
bin100001001110001000
320220122201
4201032020
513323242
62525544
71104466
oct411610
9226581
10136072
1193262
12668b4
1349c21
1437836
152a4b7
hex21388

136072 has 16 divisors (see below), whose sum is σ = 259740. Its totient is φ = 66816.

The previous prime is 136069. The next prime is 136093. The reversal of 136072 is 270631.

It can be written as a sum of positive squares in 2 ways, for example, as 133956 + 2116 = 366^2 + 46^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468 + ... + 700.

2136072 is an apocalyptic number.

It is an amenable number.

136072 is a deficient number, since it is larger than the sum of its proper divisors (123668).

136072 is a wasteful number, since it uses less digits than its factorization.

136072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 136072 is about 368.8793840810. The cubic root of 136072 is about 51.4347053236.

The spelling of 136072 in words is "one hundred thirty-six thousand, seventy-two".