213040104 has 32 divisors (see below), whose sum is σ = 532980000. Its totient is φ = 70962752.

The previous prime is 213040097. The next prime is 213040109. The reversal of 213040104 is 401040312.

It is not an unprimeable number, because it can be changed into a prime (213040109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48262 + ... + 52490.

It is an arithmetic number, because the mean of its divisors is an integer number (16655625).

Almost surely, 2^213040104 is an apocalyptic number.

213040104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

213040104 is an abundant number, since it is smaller than the sum of its proper divisors (319939896).

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

213040104 is a wasteful number, since it uses less digits than its factorization.

213040104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6337 (or 6333 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 213040104 is about 14595.8933950615. The cubic root of 213040104 is about 597.2467408203.

Adding to 213040104 its reverse (401040312), we get a palindrome (614080416).

The spelling of 213040104 in words is "two hundred thirteen million, forty thousand, one hundred four".