131240237604 has 36 divisors (see below), whose sum is σ = 356223503664. Its totient is φ = 37497210576.

The previous prime is 131240237603. The next prime is 131240237617. The reversal of 131240237604 is 406732042131.

It is not an unprimeable number, because it can be changed into a prime (131240237603) 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, 111598254 + ... + 111599429.

It is an arithmetic number, because the mean of its divisors is an integer number (9895097324).

Almost surely, 2^131240237604 is an apocalyptic number.

131240237604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131240237604 is an abundant number, since it is smaller than the sum of its proper divisors (224983266060).

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

131240237604 is a wasteful number, since it uses less digits than its factorization.

131240237604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223197704 (or 223197695 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

Adding to 131240237604 its reverse (406732042131), we get a palindrome (537972279735).

The spelling of 131240237604 in words is "one hundred thirty-one billion, two hundred forty million, two hundred thirty-seven thousand, six hundred four".