202136555434 has 64 divisors (see below), whose sum is σ = 336727746432. Its totient is φ = 90243072000.

The previous prime is 202136555431. The next prime is 202136555441. The reversal of 202136555434 is 434555631202.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (202136555431) 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, 175313002 + ... + 175314154.

It is an arithmetic number, because the mean of its divisors is an integer number (5261371038).

Almost surely, 2^202136555434 is an apocalyptic number.

202136555434 is a deficient number, since it is larger than the sum of its proper divisors (134591190998).

202136555434 is a wasteful number, since it uses less digits than its factorization.

202136555434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 202136555434 in words is "two hundred two billion, one hundred thirty-six million, five hundred fifty-five thousand, four hundred thirty-four".