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134040043 = 239560837
BaseRepresentation
bin1111111110101…
…00100111101011
3100100012221101001
413333110213223
5233303240133
621144535431
73215215204
oct777244753
9310187331
10134040043
11697312a5
1238a81577
1321a01647
1413b325ab
15bb7a87d
hex7fd49eb

134040043 has 4 divisors (see below), whose sum is σ = 134601120. Its totient is φ = 133478968.

The previous prime is 134040031. The next prime is 134040061. The reversal of 134040043 is 340040431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134040043 - 29 = 134039531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134040043.

It is not an unprimeable number, because it can be changed into a prime (134040013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280180 + ... + 280657.

It is an arithmetic number, because the mean of its divisors is an integer number (33650280).

Almost surely, 2134040043 is an apocalyptic number.

134040043 is a deficient number, since it is larger than the sum of its proper divisors (561077).

134040043 is an equidigital number, since it uses as much as digits as its factorization.

134040043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561076.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 134040043 is about 11577.5663677649. The cubic root of 134040043 is about 511.7739620622.

Adding to 134040043 its reverse (340040431), we get a palindrome (474080474).

The spelling of 134040043 in words is "one hundred thirty-four million, forty thousand, forty-three".

Divisors: 1 239 560837 134040043