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134438963 = 666120183
BaseRepresentation
bin10000000001101…
…10000000110011
3100100222012120212
420000312000303
5233404021323
621201254335
73221466221
oct1000660063
9310865525
10134438963
1169983a8a
12390343ab
1321b110a9
1413bd7b11
15bc08b78
hex8036033

134438963 has 4 divisors (see below), whose sum is σ = 134465808. Its totient is φ = 134412120.

The previous prime is 134438957. The next prime is 134438981. The reversal of 134438963 is 369834431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134438963 - 214 = 134422579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134438963.

It is not an unprimeable number, because it can be changed into a prime (134438923) 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, 3431 + ... + 16752.

It is an arithmetic number, because the mean of its divisors is an integer number (33616452).

Almost surely, 2134438963 is an apocalyptic number.

134438963 is a deficient number, since it is larger than the sum of its proper divisors (26845).

134438963 is an equidigital number, since it uses as much as digits as its factorization.

134438963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26844.

The product of its digits is 186624, while the sum is 41.

The square root of 134438963 is about 11594.7817142023. The cubic root of 134438963 is about 512.2811604247.

The spelling of 134438963 in words is "one hundred thirty-four million, four hundred thirty-eight thousand, nine hundred sixty-three".

Divisors: 1 6661 20183 134438963