210140008 has 48 divisors (see below), whose sum is σ = 435862080. Its totient is φ = 94895424.

The previous prime is 210139997. The next prime is 210140017. The reversal of 210140008 is 800041012.

It is a happy number.

210140008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 210139973 and 210140000.

It is a congruent number.

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, 61891 + ... + 65197.

It is an arithmetic number, because the mean of its divisors is an integer number (9080460).

Almost surely, 2^210140008 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 210140008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217931040).

210140008 is an abundant number, since it is smaller than the sum of its proper divisors (225722072).

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

210140008 is a wasteful number, since it uses less digits than its factorization.

210140008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386 (or 3369 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 210140008 is about 14496.2066762309. The cubic root of 210140008 is about 594.5242606335.

The spelling of 210140008 in words is "two hundred ten million, one hundred forty thousand, eight".