213442400140 has 96 divisors (see below), whose sum is σ = 459970560000. Its totient is φ = 83169918720.

The previous prime is 213442400063. The next prime is 213442400147. The reversal of 213442400140 is 41004244312.

It is not an unprimeable number, because it can be changed into a prime (213442400147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142389111 + ... + 142390609.

It is an arithmetic number, because the mean of its divisors is an integer number (4791360000).

Almost surely, 2^213442400140 is an apocalyptic number.

213442400140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213442400140 is an abundant number, since it is smaller than the sum of its proper divisors (246528159860).

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

213442400140 is a wasteful number, since it uses less digits than its factorization.

213442400140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615 (or 2613 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 213442400140 its reverse (41004244312), we get a palindrome (254446644452).

The spelling of 213442400140 in words is "two hundred thirteen billion, four hundred forty-two million, four hundred thousand, one hundred forty".