131514381 has 16 divisors (see below), whose sum is σ = 197305600. Its totient is φ = 86565024.

The previous prime is 131514379. The next prime is 131514389. The reversal of 131514381 is 183415131.

It is not a de Polignac number, because 131514381 - 2¹ = 131514379 is a prime.

It is a super-2 number, since 2×131514381² = 34592064819626322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131514389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28696 + ... + 32961.

It is an arithmetic number, because the mean of its divisors is an integer number (12331600).

Almost surely, 2^131514381 is an apocalyptic number.

It is an amenable number.

131514381 is a deficient number, since it is larger than the sum of its proper divisors (65791219).

131514381 is an equidigital number, since it uses as much as digits as its factorization.

131514381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61745 (or 61739 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 131514381 is about 11467.9719654349. The cubic root of 131514381 is about 508.5391760699.

The spelling of 131514381 in words is "one hundred thirty-one million, five hundred fourteen thousand, three hundred eighty-one".