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134225251 = 177895603
BaseRepresentation
bin10000000000000…
…01110101100011
3100100120100102121
420000001311203
5233330202001
621152525111
73216616156
oct1000016543
9310510377
10134225251
1169848466
1238b50797
1321a67a34
1413b7dc9d
15bbb56a1
hex8001d63

134225251 has 4 divisors (see below), whose sum is σ = 142120872. Its totient is φ = 126329632.

The previous prime is 134225243. The next prime is 134225269. The reversal of 134225251 is 152522431.

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 134225251 - 23 = 134225243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134225851) 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, 3947785 + ... + 3947818.

It is an arithmetic number, because the mean of its divisors is an integer number (35530218).

Almost surely, 2134225251 is an apocalyptic number.

134225251 is a deficient number, since it is larger than the sum of its proper divisors (7895621).

134225251 is an equidigital number, since it uses as much as digits as its factorization.

134225251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7895620.

The product of its digits is 2400, while the sum is 25.

The square root of 134225251 is about 11585.5621788500. The cubic root of 134225251 is about 512.0095658105.

Adding to 134225251 its reverse (152522431), we get a palindrome (286747682).

The spelling of 134225251 in words is "one hundred thirty-four million, two hundred twenty-five thousand, two hundred fifty-one".

Divisors: 1 17 7895603 134225251