131366437077 has 8 divisors (see below), whose sum is σ = 176792214816. Its totient is φ = 86759142032.

The previous prime is 131366437049. The next prime is 131366437099. The reversal of 131366437077 is 770734663131.

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 131366437077 - 2¹⁹ = 131365912789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131366430077) 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 7 ways as a sum of consecutive naturals, for example, 204620298 + ... + 204620939.

It is an arithmetic number, because the mean of its divisors is an integer number (22099026852).

Almost surely, 2^131366437077 is an apocalyptic number.

It is an amenable number.

131366437077 is a deficient number, since it is larger than the sum of its proper divisors (45425777739).

131366437077 is a wasteful number, since it uses less digits than its factorization.

131366437077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409241347.

The product of its (nonzero) digits is 1333584, while the sum is 48.

The spelling of 131366437077 in words is "one hundred thirty-one billion, three hundred sixty-six million, four hundred thirty-seven thousand, seventy-seven".