134209506 has 32 divisors (see below), whose sum is σ = 281050560. Its totient is φ = 42668864.

The previous prime is 134209499. The next prime is 134209519. The reversal of 134209506 is 605902431.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9796 + ... + 19088.

It is an arithmetic number, because the mean of its divisors is an integer number (8782830).

Almost surely, 2^134209506 is an apocalyptic number.

134209506 is an abundant number, since it is smaller than the sum of its proper divisors (146841054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134209506 is a wasteful number, since it uses less digits than its factorization.

134209506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9410.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 134209506 is about 11584.8826493841. The cubic root of 134209506 is about 511.9895449729.

Adding to 134209506 its sum of digits (30), we get a triangular number (134209536 = T₁₆₃₈₃).

The spelling of 134209506 in words is "one hundred thirty-four million, two hundred nine thousand, five hundred six".