253631362136 has 32 divisors (see below), whose sum is σ = 478371096000. Its totient is φ = 126066198816.

The previous prime is 253631362099. The next prime is 253631362157. The reversal of 253631362136 is 631263136352.

It is a junction number, because it is equal to n+sod(n) for n = 253631362093 and 253631362102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4639715 + ... + 4694061.

It is an arithmetic number, because the mean of its divisors is an integer number (14949096750).

Almost surely, 2^253631362136 is an apocalyptic number.

It is an amenable number.

253631362136 is a deficient number, since it is larger than the sum of its proper divisors (224739733864).

253631362136 is a wasteful number, since it uses less digits than its factorization.

253631362136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57791 (or 57787 counting only the distinct ones).

The product of its digits is 349920, while the sum is 41.

Adding to 253631362136 its reverse (631263136352), we get a palindrome (884894498488).

The spelling of 253631362136 in words is "two hundred fifty-three billion, six hundred thirty-one million, three hundred sixty-two thousand, one hundred thirty-six".