131772263 has 8 divisors (see below), whose sum is σ = 150762528. Its totient is φ = 112823424.

The previous prime is 131772241. The next prime is 131772271. The reversal of 131772263 is 362277131.

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

It is not a de Polignac number, because 131772263 - 2⁸ = 131772007 is a prime.

It is a super-2 number, since 2×131772263² = 34727858592282338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131772203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3206 + ... + 16547.

It is an arithmetic number, because the mean of its divisors is an integer number (18845316).

Almost surely, 2^131772263 is an apocalyptic number.

131772263 is a deficient number, since it is larger than the sum of its proper divisors (18990265).

131772263 is an equidigital number, since it uses as much as digits as its factorization.

131772263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20713.

The product of its digits is 10584, while the sum is 32.

The square root of 131772263 is about 11479.2100337959. The cubic root of 131772263 is about 508.8713513400.

The spelling of 131772263 in words is "one hundred thirty-one million, seven hundred seventy-two thousand, two hundred sixty-three".