131145914 has 8 divisors (see below), whose sum is σ = 197563860. Its totient is φ = 65291296.

The previous prime is 131145881. The next prime is 131145919. The reversal of 131145914 is 419541131.

It can be written as a sum of positive squares in 2 ways, for example, as 126450025 + 4695889 = 11245^2 + 2167^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131145919) 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 3 ways as a sum of consecutive naturals, for example, 140249 + ... + 141180.

Almost surely, 2^131145914 is an apocalyptic number.

131145914 is a deficient number, since it is larger than the sum of its proper divisors (66417946).

131145914 is a wasteful number, since it uses less digits than its factorization.

131145914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281664.

The product of its digits is 2160, while the sum is 29.

The square root of 131145914 is about 11451.8956509392. The cubic root of 131145914 is about 508.0638030305.

The spelling of 131145914 in words is "one hundred thirty-one million, one hundred forty-five thousand, nine hundred fourteen".