131674365 has 24 divisors (see below), whose sum is σ = 228836088. Its totient is φ = 70041600.

The previous prime is 131674357. The next prime is 131674373. The reversal of 131674365 is 563476131.

It is an interprime number because it is at equal distance from previous prime (131674357) and next prime (131674373).

It can be written as a sum of positive squares in 4 ways, for example, as 39917124 + 91757241 = 6318^2 + 9579^2 .

It is not a de Polignac number, because 131674365 - 2³ = 131674357 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 14397 + ... + 21693.

It is an arithmetic number, because the mean of its divisors is an integer number (9534837).

Almost surely, 2^131674365 is an apocalyptic number.

131674365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131674365 is a deficient number, since it is larger than the sum of its proper divisors (97161723).

131674365 is a wasteful number, since it uses less digits than its factorization.

131674365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7709 (or 7706 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 131674365 is about 11474.9450979079. The cubic root of 131674365 is about 508.7453009646.

The spelling of 131674365 in words is "one hundred thirty-one million, six hundred seventy-four thousand, three hundred sixty-five".