134669427 has 8 divisors (see below), whose sum is σ = 190121616. Its totient is φ = 84498432.

The previous prime is 134669407. The next prime is 134669443. The reversal of 134669427 is 724966431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134669427 - 2¹⁰ = 134668403 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (134669407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1320238 + ... + 1320339.

It is an arithmetic number, because the mean of its divisors is an integer number (23765202).

Almost surely, 2^134669427 is an apocalyptic number.

134669427 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

134669427 is a deficient number, since it is larger than the sum of its proper divisors (55452189).

134669427 is a wasteful number, since it uses less digits than its factorization.

134669427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640597.

The product of its digits is 217728, while the sum is 42.

The square root of 134669427 is about 11604.7157224983. The cubic root of 134669427 is about 512.5737218556.

The spelling of 134669427 in words is "one hundred thirty-four million, six hundred sixty-nine thousand, four hundred twenty-seven".