213641026 has 8 divisors (see below), whose sum is σ = 330799104. Its totient is φ = 103374660.

The previous prime is 213641011. The next prime is 213641083. The reversal of 213641026 is 620146312.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1722850 + ... + 1722973.

It is an arithmetic number, because the mean of its divisors is an integer number (41349888).

Almost surely, 2^213641026 is an apocalyptic number.

213641026 is a deficient number, since it is larger than the sum of its proper divisors (117158078).

213641026 is a wasteful number, since it uses less digits than its factorization.

213641026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3445856.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 213641026 is about 14616.4642099244. The cubic root of 213641026 is about 597.8077647444.

Adding to 213641026 its reverse (620146312), we get a palindrome (833787338).

The spelling of 213641026 in words is "two hundred thirteen million, six hundred forty-one thousand, twenty-six".