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134988877 = 139971143
BaseRepresentation
bin10000000101111…
…00010001001101
3100102000010221001
420002330101031
5234024121002
621221140301
73226246402
oct1002742115
9312003831
10134988877
116a21a161
123925a691
1321c7449a
1413cdc2a9
15bcb6a87
hex80bc44d

134988877 has 4 divisors (see below), whose sum is σ = 135960160. Its totient is φ = 134017596.

The previous prime is 134988869. The next prime is 134988907. The reversal of 134988877 is 778889431.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 134988877 - 23 = 134988869 is a prime.

It is a super-2 number, since 2×1349888772 = 36443993827442258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134988577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485433 + ... + 485710.

It is an arithmetic number, because the mean of its divisors is an integer number (33990040).

Almost surely, 2134988877 is an apocalyptic number.

It is an amenable number.

134988877 is a deficient number, since it is larger than the sum of its proper divisors (971283).

134988877 is an equidigital number, since it uses as much as digits as its factorization.

134988877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971282.

The product of its digits is 2709504, while the sum is 55.

The square root of 134988877 is about 11618.4713710539. The cubic root of 134988877 is about 512.9786946809.

The spelling of 134988877 in words is "one hundred thirty-four million, nine hundred eighty-eight thousand, eight hundred seventy-seven".

Divisors: 1 139 971143 134988877