202135421455334 has 64 divisors (see below), whose sum is σ = 327025669583040. Its totient is φ = 93416569159680.

The previous prime is 202135421455333. The next prime is 202135421455369. The reversal of 202135421455334 is 433554124531202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202135421455333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209503994 + ... + 210466610.

It is an arithmetic number, because the mean of its divisors is an integer number (5109776087235).

Almost surely, 2^{202135421455334} is an apocalyptic number.

202135421455334 is a deficient number, since it is larger than the sum of its proper divisors (124890248127706).

202135421455334 is a wasteful number, since it uses less digits than its factorization.

202135421455334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963433.

The product of its (nonzero) digits is 1728000, while the sum is 44.

Adding to 202135421455334 its reverse (433554124531202), we get a palindrome (635689545986536).

The spelling of 202135421455334 in words is "two hundred two trillion, one hundred thirty-five billion, four hundred twenty-one million, four hundred fifty-five thousand, three hundred thirty-four".