213000402 has 8 divisors (see below), whose sum is σ = 426000816. Its totient is φ = 71000132.

The previous prime is 213000391. The next prime is 213000409. The reversal of 213000402 is 204000312.

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

213000402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (213000409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17750028 + ... + 17750039.

It is an arithmetic number, because the mean of its divisors is an integer number (53250102).

Almost surely, 2^213000402 is an apocalyptic number.

213000402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

213000402 is a wasteful number, since it uses less digits than its factorization.

213000402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35500072.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 213000402 is about 14594.5332916130. The cubic root of 213000402 is about 597.2096376915.

Adding to 213000402 its reverse (204000312), we get a palindrome (417000714).

The spelling of 213000402 in words is "two hundred thirteen million, four hundred two", and thus it is an aban number.