213420136152330 has 24 divisors (see below), whose sum is σ = 554892353996292. Its totient is φ = 56912036307264.

The previous prime is 213420136152317. The next prime is 213420136152347. The reversal of 213420136152330 is 33251631024312.

213420136152330 is a `hidden beast` number, since 2 + 1 + 3 + 4 + 2 + 0 + 1 + 3 + 615 + 2 + 3 + 30 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 199194015459321 + 14226120693009 = 14113611^2 + 3771753^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1185667422979 + ... + 1185667423158.

Almost surely, 2^{213420136152330} is an apocalyptic number.

213420136152330 is an abundant number, since it is smaller than the sum of its proper divisors (341472217843962).

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

213420136152330 is a wasteful number, since it uses less digits than its factorization.

213420136152330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371334846150 (or 2371334846147 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 213420136152330 its reverse (33251631024312), we get a palindrome (246671767176642).

The spelling of 213420136152330 in words is "two hundred thirteen trillion, four hundred twenty billion, one hundred thirty-six million, one hundred fifty-two thousand, three hundred thirty".