134640206 has 8 divisors (see below), whose sum is σ = 210741264. Its totient is φ = 64393120.

The previous prime is 134640197. The next prime is 134640263. The reversal of 134640206 is 602046431.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1463435 + ... + 1463526.

It is an arithmetic number, because the mean of its divisors is an integer number (26342658).

Almost surely, 2^134640206 is an apocalyptic number.

134640206 is a deficient number, since it is larger than the sum of its proper divisors (76101058).

134640206 is a wasteful number, since it uses less digits than its factorization.

134640206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926986.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 134640206 is about 11603.4566401568. The cubic root of 134640206 is about 512.5366458825.

Adding to 134640206 its reverse (602046431), we get a palindrome (736686637).

The spelling of 134640206 in words is "one hundred thirty-four million, six hundred forty thousand, two hundred six".