211139674 has 4 divisors (see below), whose sum is σ = 316709514. Its totient is φ = 105569836.

The previous prime is 211139641. The next prime is 211139683. The reversal of 211139674 is 476931112.

211139674 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 173844225 + 37295449 = 13185^2 + 6107^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52784917 + ... + 52784920.

Almost surely, 2^211139674 is an apocalyptic number.

211139674 is a deficient number, since it is larger than the sum of its proper divisors (105569840).

211139674 is a wasteful number, since it uses less digits than its factorization.

211139674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105569839.

The product of its digits is 9072, while the sum is 34.

The square root of 211139674 is about 14530.6460283086. The cubic root of 211139674 is about 595.4655152242.

The spelling of 211139674 in words is "two hundred eleven million, one hundred thirty-nine thousand, six hundred seventy-four".