211606134 has 16 divisors (see below), whose sum is σ = 426444480. Its totient is φ = 69996680.

The previous prime is 211606121. The next prime is 211606147. The reversal of 211606134 is 431606112.

It is an interprime number because it is at equal distance from previous prime (211606121) and next prime (211606147).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133824 + ... + 135395.

It is an arithmetic number, because the mean of its divisors is an integer number (26652780).

Almost surely, 2^211606134 is an apocalyptic number.

211606134 is an abundant number, since it is smaller than the sum of its proper divisors (214838346).

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

211606134 is a wasteful number, since it uses less digits than its factorization.

211606134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269355.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 211606134 is about 14546.6880766723. The cubic root of 211606134 is about 595.9037031183.

The spelling of 211606134 in words is "two hundred eleven million, six hundred six thousand, one hundred thirty-four".