131771361 has 8 divisors (see below), whose sum is σ = 175790880. Its totient is φ = 87799712.

The previous prime is 131771333. The next prime is 131771371. The reversal of 131771361 is 163177131.

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 131771361 - 2¹⁰ = 131770337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131771371) 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, 4956 + ... + 16973.

It is an arithmetic number, because the mean of its divisors is an integer number (21973860).

Almost surely, 2^131771361 is an apocalyptic number.

It is an amenable number.

131771361 is a deficient number, since it is larger than the sum of its proper divisors (44019519).

131771361 is a wasteful number, since it uses less digits than its factorization.

131771361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23935.

The product of its digits is 2646, while the sum is 30.

The square root of 131771361 is about 11479.1707453108. The cubic root of 131771361 is about 508.8701902383.

The spelling of 131771361 in words is "one hundred thirty-one million, seven hundred seventy-one thousand, three hundred sixty-one".