213500602156 has 6 divisors (see below), whose sum is σ = 373626053780. Its totient is φ = 106750301076.

The previous prime is 213500602129. The next prime is 213500602157. The reversal of 213500602156 is 651206005312.

It is not an unprimeable number, because it can be changed into a prime (213500602157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26687575266 + ... + 26687575273.

Almost surely, 2^213500602156 is an apocalyptic number.

It is an amenable number.

213500602156 is a deficient number, since it is larger than the sum of its proper divisors (160125451624).

213500602156 is a wasteful number, since it uses less digits than its factorization.

213500602156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53375150543 (or 53375150541 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 213500602156 its reverse (651206005312), we get a palindrome (864706607468).

The spelling of 213500602156 in words is "two hundred thirteen billion, five hundred million, six hundred two thousand, one hundred fifty-six".