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134881401 = 344960467
BaseRepresentation
bin10000000101000…
…10000001111001
3100101210200111110
420002202001321
5234012201101
621214550533
73225321144
oct1002420171
9311720443
10134881401
116a156436
1239208449
1321c375a5
1413cb105b
15bc94cd6
hex80a2079

134881401 has 4 divisors (see below), whose sum is σ = 179841872. Its totient is φ = 89920932.

The previous prime is 134881393. The next prime is 134881427. The reversal of 134881401 is 104188431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 134881401 - 23 = 134881393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134881441) 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, 22480231 + ... + 22480236.

It is an arithmetic number, because the mean of its divisors is an integer number (44960468).

Almost surely, 2134881401 is an apocalyptic number.

It is an amenable number.

134881401 is a deficient number, since it is larger than the sum of its proper divisors (44960471).

134881401 is an equidigital number, since it uses as much as digits as its factorization.

134881401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44960470.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 134881401 is about 11613.8452288637. The cubic root of 134881401 is about 512.8425167037.

The spelling of 134881401 in words is "one hundred thirty-four million, eight hundred eighty-one thousand, four hundred one".

Divisors: 1 3 44960467 134881401