235121153130 has 96 divisors (see below), whose sum is σ = 636051508560. Its totient is φ = 60186900480.

The previous prime is 235121153053. The next prime is 235121153143. The reversal of 235121153130 is 31351121532.

235121153130 is a `hidden beast` number, since 2 + 3 + 5 + 121 + 1 + 531 + 3 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 100045057401 + 135076095729 = 316299^2 + 367527^2 .

It is a junction number, because it is equal to n+sod(n) for n = 235121153094 and 235121153103.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 191170 + ... + 711890.

Almost surely, 2^235121153130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235121153130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318025754280).

235121153130 is an abundant number, since it is smaller than the sum of its proper divisors (400930355430).

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

235121153130 is a wasteful number, since it uses less digits than its factorization.

235121153130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520936 (or 520933 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 235121153130 its reverse (31351121532), we get a palindrome (266472274662).

The spelling of 235121153130 in words is "two hundred thirty-five billion, one hundred twenty-one million, one hundred fifty-three thousand, one hundred thirty".