131561267763 has 8 divisors (see below), whose sum is σ = 178724741328. Its totient is φ = 86052653024.

The previous prime is 131561267711. The next prime is 131561267767. The reversal of 131561267763 is 367762165131.

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 131561267763 - 2²⁴ = 131544490547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131561267767) 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, 413714520 + ... + 413714837.

It is an arithmetic number, because the mean of its divisors is an integer number (22340592666).

Almost surely, 2^131561267763 is an apocalyptic number.

131561267763 is a deficient number, since it is larger than the sum of its proper divisors (47163473565).

131561267763 is an equidigital number, since it uses as much as digits as its factorization.

131561267763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827429413.

The product of its digits is 952560, while the sum is 48.

The spelling of 131561267763 in words is "one hundred thirty-one billion, five hundred sixty-one million, two hundred sixty-seven thousand, seven hundred sixty-three".