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134042141 = 532529097
BaseRepresentation
bin1111111110101…
…01001000011101
3100100020001020202
413333111020131
5233303322031
621144553245
73215224262
oct777251035
9310201222
10134042141
1169732932
1238a82825
1321a0259c
1413b33269
15bb7b2cb
hex7fd521d

134042141 has 4 divisors (see below), whose sum is σ = 136571292. Its totient is φ = 131512992.

The previous prime is 134042123. The next prime is 134042177. The reversal of 134042141 is 141240431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141240431 = 734919219.

It can be written as a sum of positive squares in 2 ways, for example, as 100922116 + 33120025 = 10046^2 + 5755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-134042141 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 (134042191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1264496 + ... + 1264601.

It is an arithmetic number, because the mean of its divisors is an integer number (34142823).

Almost surely, 2134042141 is an apocalyptic number.

It is an amenable number.

134042141 is a deficient number, since it is larger than the sum of its proper divisors (2529151).

134042141 is an equidigital number, since it uses as much as digits as its factorization.

134042141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2529150.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 134042141 is about 11577.6569736713. The cubic root of 134042141 is about 511.7766321503.

Adding to 134042141 its reverse (141240431), we get a palindrome (275282572).

The spelling of 134042141 in words is "one hundred thirty-four million, forty-two thousand, one hundred forty-one".

Divisors: 1 53 2529097 134042141