213535555140 has 48 divisors (see below), whose sum is σ = 614059008192. Its totient is φ = 55403819136.

The previous prime is 213535555081. The next prime is 213535555141. The reversal of 213535555140 is 41555535312.

It is not an unprimeable number, because it can be changed into a prime (213535555141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48091374 + ... + 48095813.

It is an arithmetic number, because the mean of its divisors is an integer number (12792896004).

Almost surely, 2^213535555140 is an apocalyptic number.

213535555140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213535555140 is an abundant number, since it is smaller than the sum of its proper divisors (400523453052).

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

213535555140 is a wasteful number, since it uses less digits than its factorization.

213535555140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96187236 (or 96187234 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 39.

The spelling of 213535555140 in words is "two hundred thirteen billion, five hundred thirty-five million, five hundred fifty-five thousand, one hundred forty".