131866325237 has 8 divisors (see below), whose sum is σ = 144127141632. Its totient is φ = 120105950400.

The previous prime is 131866325219. The next prime is 131866325249. The reversal of 131866325237 is 732523668131.

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

It is a cyclic number.

It is not a de Polignac number, because 131866325237 - 2⁸ = 131866324981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131866325191 and 131866325200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131866325267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125109839 + ... + 125110892.

It is an arithmetic number, because the mean of its divisors is an integer number (18015892704).

Almost surely, 2^131866325237 is an apocalyptic number.

131866325237 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

131866325237 is a deficient number, since it is larger than the sum of its proper divisors (12260816395).

131866325237 is a wasteful number, since it uses less digits than its factorization.

131866325237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250220779.

The product of its digits is 1088640, while the sum is 47.

The spelling of 131866325237 in words is "one hundred thirty-one billion, eight hundred sixty-six million, three hundred twenty-five thousand, two hundred thirty-seven".