213761426 has 8 divisors (see below), whose sum is σ = 323584140. Its totient is φ = 105900048.

The previous prime is 213761393. The next prime is 213761467. The reversal of 213761426 is 624167312.

It can be written as a sum of positive squares in 2 ways, for example, as 211673401 + 2088025 = 14549^2 + 1445^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 213761392 and 213761401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490061 + ... + 490496.

Almost surely, 2^213761426 is an apocalyptic number.

213761426 is a deficient number, since it is larger than the sum of its proper divisors (109822714).

213761426 is a wasteful number, since it uses less digits than its factorization.

213761426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980668.

The product of its digits is 12096, while the sum is 32.

The square root of 213761426 is about 14620.5822729466. The cubic root of 213761426 is about 597.9200442683.

The spelling of 213761426 in words is "two hundred thirteen million, seven hundred sixty-one thousand, four hundred twenty-six".