213040004 has 12 divisors (see below), whose sum is σ = 373438464. Its totient is φ = 106343304.

The previous prime is 213039997. The next prime is 213040013. The reversal of 213040004 is 400040312.

213040004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41444 + ... + 46299.

It is an arithmetic number, because the mean of its divisors is an integer number (31119872).

Almost surely, 2^213040004 is an apocalyptic number.

It is an amenable number.

213040004 is a deficient number, since it is larger than the sum of its proper divisors (160398460).

213040004 is a wasteful number, since it uses less digits than its factorization.

213040004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88354 (or 88352 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 213040004 is about 14595.8899694400. The cubic root of 213040004 is about 597.2466473720.

Adding to 213040004 its reverse (400040312), we get a palindrome (613080316).

The spelling of 213040004 in words is "two hundred thirteen million, forty thousand, four".