321605136214 has 8 divisors (see below), whose sum is σ = 491509736640. Its totient is φ = 157768557336.

The previous prime is 321605136211. The next prime is 321605136239. The reversal of 321605136214 is 412631506123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 321605136214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321605136211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1517005254 + ... + 1517005465.

It is an arithmetic number, because the mean of its divisors is an integer number (61438717080).

Almost surely, 2^321605136214 is an apocalyptic number.

321605136214 is a deficient number, since it is larger than the sum of its proper divisors (169904600426).

321605136214 is a wasteful number, since it uses less digits than its factorization.

321605136214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034010774.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 321605136214 in words is "three hundred twenty-one billion, six hundred five million, one hundred thirty-six thousand, two hundred fourteen".