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135415087 = 413302807
BaseRepresentation
bin10000001001001…
…00010100101111
3100102210210120121
420010210110233
5234131240322
621234225411
73233003113
oct1004442457
9312723517
10135415087
116a4903a5
1239425267
1322093492
1413dad743
15bd4cec7
hex812452f

135415087 has 4 divisors (see below), whose sum is σ = 138717936. Its totient is φ = 132112240.

The previous prime is 135415069. The next prime is 135415117. The reversal of 135415087 is 780514531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780514531 = 2113699121.

It is a cyclic number.

It is not a de Polignac number, because 135415087 - 27 = 135414959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135415067) 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, 1651363 + ... + 1651444.

It is an arithmetic number, because the mean of its divisors is an integer number (34679484).

Almost surely, 2135415087 is an apocalyptic number.

135415087 is a deficient number, since it is larger than the sum of its proper divisors (3302849).

135415087 is an equidigital number, since it uses as much as digits as its factorization.

135415087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302848.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 135415087 is about 11636.7988295751. The cubic root of 135415087 is about 513.5180155282.

The spelling of 135415087 in words is "one hundred thirty-five million, four hundred fifteen thousand, eighty-seven".

Divisors: 1 41 3302807 135415087