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134042001 = 344680667
BaseRepresentation
bin1111111110101…
…01000110010001
3100100020001001120
413333111012101
5233303321001
621144552453
73215224002
oct777250621
9310201046
10134042001
1169732815
1238a82729
1321a024c2
1413b331a9
15bb7b236
hex7fd5191

134042001 has 4 divisors (see below), whose sum is σ = 178722672. Its totient is φ = 89361332.

The previous prime is 134041993. The next prime is 134042011. The reversal of 134042001 is 100240431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100240431 = 333413477.

It is a cyclic number.

It is not a de Polignac number, because 134042001 - 23 = 134041993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134042011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22340331 + ... + 22340336.

It is an arithmetic number, because the mean of its divisors is an integer number (44680668).

Almost surely, 2134042001 is an apocalyptic number.

It is an amenable number.

134042001 is a deficient number, since it is larger than the sum of its proper divisors (44680671).

134042001 is an equidigital number, since it uses as much as digits as its factorization.

134042001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44680670.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 134042001 is about 11577.6509275414. The cubic root of 134042001 is about 511.7764539756.

Adding to 134042001 its reverse (100240431), we get a palindrome (234282432).

The spelling of 134042001 in words is "one hundred thirty-four million, forty-two thousand, one".

Divisors: 1 3 44680667 134042001