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135090786 = 2389252979
BaseRepresentation
bin10000000110101…
…01001001100010
3100102012022201110
420003111021202
5234040401121
621223244150
73230152455
oct1003251142
9312168643
10135090786
116a289786
12392a9656
1321cab99c
1413d2749c
15bcd6d76
hex80d5262

135090786 has 16 divisors (see below), whose sum is σ = 273218400. Its totient is φ = 44524128.

The previous prime is 135090773. The next prime is 135090841. The reversal of 135090786 is 687090531.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125956 + ... + 127023.

It is an arithmetic number, because the mean of its divisors is an integer number (17076150).

Almost surely, 2135090786 is an apocalyptic number.

135090786 is an abundant number, since it is smaller than the sum of its proper divisors (138127614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135090786 is a wasteful number, since it uses less digits than its factorization.

135090786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253073.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 135090786 is about 11622.8561894226. The cubic root of 135090786 is about 513.1077522177.

The spelling of 135090786 in words is "one hundred thirty-five million, ninety thousand, seven hundred eighty-six".