Search a number
-
+
136818130 = 2513681813
BaseRepresentation
bin10000010011110…
…10110111010010
3100112110002012011
420021322313102
5240011140010
621324253134
73250635451
oct1011726722
9315402164
10136818130
1170259539
12399a11aa
1322464c97
1414256b98
15c028a8a
hex827add2

136818130 has 8 divisors (see below), whose sum is σ = 246272652. Its totient is φ = 54727248.

The previous prime is 136818089. The next prime is 136818137. The reversal of 136818130 is 31818631.

136818130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 114511401 + 22306729 = 10701^2 + 4723^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 136818092 and 136818101.

It is not an unprimeable number, because it can be changed into a prime (136818137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6840897 + ... + 6840916.

Almost surely, 2136818130 is an apocalyptic number.

136818130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136818130 is a deficient number, since it is larger than the sum of its proper divisors (109454522).

136818130 is a wasteful number, since it uses less digits than its factorization.

136818130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13681820.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 136818130 is about 11696.9282292404. The cubic root of 136818130 is about 515.2854545932.

The spelling of 136818130 in words is "one hundred thirty-six million, eight hundred eighteen thousand, one hundred thirty".

Divisors: 1 2 5 10 13681813 27363626 68409065 136818130