213741394 has 16 divisors (see below), whose sum is σ = 324648000. Its totient is φ = 105534064.

The previous prime is 213741389. The next prime is 213741413. The reversal of 213741394 is 493147312.

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 7 ways as a sum of consecutive naturals, for example, 51339 + ... + 55345.

It is an arithmetic number, because the mean of its divisors is an integer number (20290500).

Almost surely, 2^213741394 is an apocalyptic number.

213741394 is a deficient number, since it is larger than the sum of its proper divisors (110906606).

213741394 is a wasteful number, since it uses less digits than its factorization.

213741394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4337.

The product of its digits is 18144, while the sum is 34.

The square root of 213741394 is about 14619.8971952610. The cubic root of 213741394 is about 597.9013662672.

The spelling of 213741394 in words is "two hundred thirteen million, seven hundred forty-one thousand, three hundred ninety-four".