Search a number
-
+
134143140 = 22357131489
BaseRepresentation
bin1111111111011…
…01110010100100
3100100102011210110
413333231302210
5233320040030
621151053020
73216124605
oct777556244
9310364713
10134143140
11697a17aa
1238b11170
1321a39551
1413b5bdac
15bb9b1b0
hex7fedca4

134143140 has 48 divisors (see below), whose sum is σ = 380903040. Its totient is φ = 35266560.

The previous prime is 134143133. The next prime is 134143151. The reversal of 134143140 is 41341431.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11485 + ... + 20004.

It is an arithmetic number, because the mean of its divisors is an integer number (7935480).

Almost surely, 2134143140 is an apocalyptic number.

134143140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134143140 is an abundant number, since it is smaller than the sum of its proper divisors (246759900).

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

134143140 is a wasteful number, since it uses less digits than its factorization.

134143140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31572 (or 31570 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 134143140 is about 11582.0179588878. The cubic root of 134143140 is about 511.9051388791.

Adding to 134143140 its reverse (41341431), we get a palindrome (175484571).

The spelling of 134143140 in words is "one hundred thirty-four million, one hundred forty-three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 71 142 213 284 355 426 710 852 1065 1420 2130 4260 31489 62978 94467 125956 157445 188934 314890 377868 472335 629780 944670 1889340 2235719 4471438 6707157 8942876 11178595 13414314 22357190 26828628 33535785 44714380 67071570 134143140