131240434142 has 8 divisors (see below), whose sum is σ = 200197272600. Its totient is φ = 64508009944.

The previous prime is 131240434093. The next prime is 131240434153. The reversal of 131240434142 is 241434042131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556103417 + ... + 556103652.

It is an arithmetic number, because the mean of its divisors is an integer number (25024659075).

Almost surely, 2^131240434142 is an apocalyptic number.

131240434142 is a deficient number, since it is larger than the sum of its proper divisors (68956838458).

131240434142 is a wasteful number, since it uses less digits than its factorization.

131240434142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112207130.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 131240434142 its reverse (241434042131), we get a palindrome (372674476273).

The spelling of 131240434142 in words is "one hundred thirty-one billion, two hundred forty million, four hundred thirty-four thousand, one hundred forty-two".