213252633666140 has 24 divisors (see below), whose sum is σ = 447979857444000. Its totient is φ = 85272610276928.

The previous prime is 213252633666091. The next prime is 213252633666179. The reversal of 213252633666140 is 41666336252312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1777637867 + ... + 1777757826.

It is an arithmetic number, because the mean of its divisors is an integer number (18665827393500).

Almost surely, 2^{213252633666140} is an apocalyptic number.

213252633666140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213252633666140 is an abundant number, since it is smaller than the sum of its proper divisors (234727223777860).

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

213252633666140 is a wasteful number, since it uses less digits than its factorization.

213252633666140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555398701 (or 3555398699 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 50.

The spelling of 213252633666140 in words is "two hundred thirteen trillion, two hundred fifty-two billion, six hundred thirty-three million, six hundred sixty-six thousand, one hundred forty".