213750868 has 12 divisors (see below), whose sum is σ = 390327840. Its totient is φ = 102228632.

The previous prime is 213750833. The next prime is 213750869. The reversal of 213750868 is 868057312.

213750868 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 213750868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213750869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161598 + ... + 1161781.

It is an arithmetic number, because the mean of its divisors is an integer number (32527320).

Almost surely, 2^213750868 is an apocalyptic number.

It is an amenable number.

213750868 is a deficient number, since it is larger than the sum of its proper divisors (176576972).

213750868 is a wasteful number, since it uses less digits than its factorization.

213750868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323406 (or 2323404 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 213750868 is about 14620.2212021570. The cubic root of 213750868 is about 597.9102000480.

The spelling of 213750868 in words is "two hundred thirteen million, seven hundred fifty thousand, eight hundred sixty-eight".