131065270 has 64 divisors (see below), whose sum is σ = 284000256. Its totient is φ = 42577920.

The previous prime is 131065243. The next prime is 131065273. The reversal of 131065270 is 72560131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131065273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204150 + ... + 204790.

It is an arithmetic number, because the mean of its divisors is an integer number (4437504).

Almost surely, 2^131065270 is an apocalyptic number.

131065270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131065270 is an abundant number, since it is smaller than the sum of its proper divisors (152934986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131065270 is a wasteful number, since it uses less digits than its factorization.

131065270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 131065270 is about 11448.3741203719. The cubic root of 131065270 is about 507.9596424632.

The spelling of 131065270 in words is "one hundred thirty-one million, sixty-five thousand, two hundred seventy".