131365435 has 16 divisors (see below), whose sum is σ = 162302112. Its totient is φ = 102009600.

The previous prime is 131365433. The next prime is 131365439. The reversal of 131365435 is 534563131.

It is not a de Polignac number, because 131365435 - 2¹ = 131365433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131365397 and 131365406.

It is not an unprimeable number, because it can be changed into a prime (131365433) 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 15 ways as a sum of consecutive naturals, for example, 41737 + ... + 44773.

It is an arithmetic number, because the mean of its divisors is an integer number (10143882).

Almost surely, 2^131365435 is an apocalyptic number.

131365435 is a deficient number, since it is larger than the sum of its proper divisors (30936677).

131365435 is a wasteful number, since it uses less digits than its factorization.

131365435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3294.

The product of its digits is 16200, while the sum is 31.

The square root of 131365435 is about 11461.4761265729. The cubic root of 131365435 is about 508.3471223230.

The spelling of 131365435 in words is "one hundred thirty-one million, three hundred sixty-five thousand, four hundred thirty-five".