134427427 has 4 divisors (see below), whose sum is σ = 136129120. Its totient is φ = 132725736.

The previous prime is 134427421. The next prime is 134427431. The reversal of 134427427 is 724724431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134427427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134427392 and 134427401.

It is not an unprimeable number, because it can be changed into a prime (134427421) 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, 850728 + ... + 850885.

It is an arithmetic number, because the mean of its divisors is an integer number (34032280).

Almost surely, 2^134427427 is an apocalyptic number.

134427427 is a deficient number, since it is larger than the sum of its proper divisors (1701693).

134427427 is an equidigital number, since it uses as much as digits as its factorization.

134427427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701692.

The product of its digits is 37632, while the sum is 34.

The square root of 134427427 is about 11594.2842383650. The cubic root of 134427427 is about 512.2665073203.

The spelling of 134427427 in words is "one hundred thirty-four million, four hundred twenty-seven thousand, four hundred twenty-seven".