213738088 has 8 divisors (see below), whose sum is σ = 400758930. Its totient is φ = 106869040.

The previous prime is 213738037. The next prime is 213738089. The reversal of 213738088 is 880837312.

213738088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 168013444 + 45724644 = 12962^2 + 6762^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 213738088.

It is not an unprimeable number, because it can be changed into a prime (213738089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13358623 + ... + 13358638.

Almost surely, 2^213738088 is an apocalyptic number.

It is an amenable number.

213738088 is a deficient number, since it is larger than the sum of its proper divisors (187020842).

213738088 is a wasteful number, since it uses less digits than its factorization.

213738088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26717267 (or 26717263 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 213738088 is about 14619.7841297332. The cubic root of 213738088 is about 597.8982836135.

The spelling of 213738088 in words is "two hundred thirteen million, seven hundred thirty-eight thousand, eighty-eight".