253206136124 has 12 divisors (see below), whose sum is σ = 443148728400. Its totient is φ = 126592213728.

The previous prime is 253206136121. The next prime is 253206136129. The reversal of 253206136124 is 421631602352.

It is a super-2 number, since 2×253206136124² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253206136121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2660984 + ... + 2754495.

It is an arithmetic number, because the mean of its divisors is an integer number (36929060700).

Almost surely, 2^253206136124 is an apocalyptic number.

It is an amenable number.

253206136124 is a deficient number, since it is larger than the sum of its proper divisors (189942592276).

253206136124 is a wasteful number, since it uses less digits than its factorization.

253206136124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5427172 (or 5427170 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 253206136124 its reverse (421631602352), we get a palindrome (674837738476).

The spelling of 253206136124 in words is "two hundred fifty-three billion, two hundred six million, one hundred thirty-six thousand, one hundred twenty-four".