206911872134 has 8 divisors (see below), whose sum is σ = 338583063528. Its totient is φ = 94050850960.

The previous prime is 206911872113. The next prime is 206911872137. The reversal of 206911872134 is 431278119602.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206911872137) 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, 4702542527 + ... + 4702542570.

It is an arithmetic number, because the mean of its divisors is an integer number (42322882941).

Almost surely, 2^206911872134 is an apocalyptic number.

206911872134 is a deficient number, since it is larger than the sum of its proper divisors (131671191394).

206911872134 is a wasteful number, since it uses less digits than its factorization.

206911872134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9405085110.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 206911872134 in words is "two hundred six billion, nine hundred eleven million, eight hundred seventy-two thousand, one hundred thirty-four".