131779119 has 8 divisors (see below), whose sum is σ = 176261040. Its totient is φ = 87574976.

The previous prime is 131779069. The next prime is 131779139. The reversal of 131779119 is 911977131.

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 131779119 - 2⁸ = 131778863 is a prime.

It is a super-2 number, since 2×131779119² = 34731472408832322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131779139) 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, 68334 + ... + 70235.

It is an arithmetic number, because the mean of its divisors is an integer number (22032630).

Almost surely, 2^131779119 is an apocalyptic number.

131779119 is a deficient number, since it is larger than the sum of its proper divisors (44481921).

131779119 is a wasteful number, since it uses less digits than its factorization.

131779119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138889.

The product of its digits is 11907, while the sum is 39.

The square root of 131779119 is about 11479.5086567327. The cubic root of 131779119 is about 508.8801765697.

The spelling of 131779119 in words is "one hundred thirty-one million, seven hundred seventy-nine thousand, one hundred nineteen".