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136144463 = 7132336421
BaseRepresentation
bin10000001110101…
…10011001001111
3100111011212002112
420013112121033
5234323110323
621302014235
73242131430
oct1007263117
9314155075
10136144463
116a939394
123971737b
132228a470
141411d487
15be44178
hex81d664f

136144463 has 16 divisors (see below), whose sum is σ = 168307776. Its totient is φ = 107239680.

The previous prime is 136144453. The next prime is 136144487. The reversal of 136144463 is 364441631.

136144463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 136144463 - 28 = 136144207 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136144453) 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, 17993 + ... + 24413.

It is an arithmetic number, because the mean of its divisors is an integer number (10519236).

Almost surely, 2136144463 is an apocalyptic number.

136144463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

136144463 is a deficient number, since it is larger than the sum of its proper divisors (32163313).

136144463 is a wasteful number, since it uses less digits than its factorization.

136144463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6674.

The product of its digits is 20736, while the sum is 32.

The square root of 136144463 is about 11668.0959457831. The cubic root of 136144463 is about 514.4383395075.

The spelling of 136144463 in words is "one hundred thirty-six million, one hundred forty-four thousand, four hundred sixty-three".

Divisors: 1 7 13 91 233 1631 3029 6421 21203 44947 83473 584311 1496093 10472651 19449209 136144463