213013750 has 40 divisors (see below), whose sum is σ = 420334200. Its totient is φ = 80712000.

The previous prime is 213013687. The next prime is 213013753. The reversal of 213013750 is 57310312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213013753) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19266 + ... + 28234.

It is an arithmetic number, because the mean of its divisors is an integer number (10508355).

Almost surely, 2^213013750 is an apocalyptic number.

213013750 is a deficient number, since it is larger than the sum of its proper divisors (207320450).

213013750 is an equidigital number, since it uses as much as digits as its factorization.

213013750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9010 (or 8995 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 213013750 is about 14594.9905789624. The cubic root of 213013750 is about 597.2221124532. Note that the first 3 decimals are identical.

The spelling of 213013750 in words is "two hundred thirteen million, thirteen thousand, seven hundred fifty".