234400131125 has 8 divisors (see below), whose sum is σ = 292531363800. Its totient is φ = 187520104800.

The previous prime is 234400131079. The next prime is 234400131139. The reversal of 234400131125 is 521131004432.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23954991076 + 210445140049 = 154774^2 + 458743^2 .

It is a de Polignac number, because none of the positive numbers 2^k-234400131125 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234400131094 and 234400131103.

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, 937600400 + ... + 937600649.

It is an arithmetic number, because the mean of its divisors is an integer number (36566420475).

Almost surely, 2^234400131125 is an apocalyptic number.

234400131125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

234400131125 is a deficient number, since it is larger than the sum of its proper divisors (58131232675).

234400131125 is an equidigital number, since it uses as much as digits as its factorization.

234400131125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875201064 (or 1875201054 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 234400131125 its reverse (521131004432), we get a palindrome (755531135557).

The spelling of 234400131125 in words is "two hundred thirty-four billion, four hundred million, one hundred thirty-one thousand, one hundred twenty-five".