213153336 has 128 divisors (see below), whose sum is σ = 650246400. Its totient is φ = 64160640.

The previous prime is 213153287. The next prime is 213153341. The reversal of 213153336 is 633351312.

It is a happy number.

213153336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 672250 + ... + 672566.

It is an arithmetic number, because the mean of its divisors is an integer number (5080050).

Almost surely, 2^213153336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213153336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325123200).

213153336 is an abundant number, since it is smaller than the sum of its proper divisors (437093064).

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

213153336 is a wasteful number, since it uses less digits than its factorization.

213153336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 616 counting only the distinct ones).

The product of its digits is 4860, while the sum is 27.

The square root of 213153336 is about 14599.7717790382. The cubic root of 213153336 is about 597.3525354004.

The spelling of 213153336 in words is "two hundred thirteen million, one hundred fifty-three thousand, three hundred thirty-six".