253206136036 has 36 divisors (see below), whose sum is σ = 515610144000. Its totient is φ = 108484327056.

The previous prime is 253206136033. The next prime is 253206136037. The reversal of 253206136036 is 630631602352.

It is a super-2 number, since 2×253206136036² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253206135986 and 253206136004.

It is not an unprimeable number, because it can be changed into a prime (253206136033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 466065 + ... + 850663.

It is an arithmetic number, because the mean of its divisors is an integer number (14322504000).

Almost surely, 2^253206136036 is an apocalyptic number.

It is an amenable number.

253206136036 is an abundant number, since it is smaller than the sum of its proper divisors (262404007964).

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

253206136036 is a wasteful number, since it uses less digits than its factorization.

253206136036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387976 (or 387967 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 37.

Adding to 253206136036 its reverse (630631602352), we get a palindrome (883837738388).

The spelling of 253206136036 in words is "two hundred fifty-three billion, two hundred six million, one hundred thirty-six thousand, thirty-six".