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135990092 = 2272693827
BaseRepresentation
bin10000001101100…
…00101101001100
3100110220000100002
420012300231030
5234303140332
621254423432
73240616400
oct1006605514
9313800302
10135990092
116a843407
1239661b78
1322235114
14140bd100
15be13562
hex81b0b4c

135990092 has 18 divisors (see below), whose sum is σ = 276837372. Its totient is φ = 58281384.

The previous prime is 135990061. The next prime is 135990097. The reversal of 135990092 is 290099531.

It is not an unprimeable number, because it can be changed into a prime (135990097) 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 5 ways as a sum of consecutive naturals, for example, 346718 + ... + 347109.

It is an arithmetic number, because the mean of its divisors is an integer number (15379854).

Almost surely, 2135990092 is an apocalyptic number.

It is an amenable number.

135990092 is an abundant number, since it is smaller than the sum of its proper divisors (140847280).

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

135990092 is a wasteful number, since it uses less digits than its factorization.

135990092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693845 (or 693836 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 135990092 is about 11661.4789799579. The cubic root of 135990092 is about 514.2438294666.

The spelling of 135990092 in words is "one hundred thirty-five million, nine hundred ninety thousand, ninety-two".

Divisors: 1 2 4 7 14 28 49 98 196 693827 1387654 2775308 4856789 9713578 19427156 33997523 67995046 135990092