131353261 has 8 divisors (see below), whose sum is σ = 144747680. Its totient is φ = 118428912.

The previous prime is 131353223. The next prime is 131353279. The reversal of 131353261 is 162353131.

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

It is a cyclic number.

It is not a de Polignac number, because 131353261 - 2¹³ = 131345069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131353361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116931 + ... + 118048.

It is an arithmetic number, because the mean of its divisors is an integer number (18093460).

Almost surely, 2^131353261 is an apocalyptic number.

It is an amenable number.

131353261 is a deficient number, since it is larger than the sum of its proper divisors (13394419).

131353261 is a wasteful number, since it uses less digits than its factorization.

131353261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235035.

The product of its digits is 1620, while the sum is 25.

The square root of 131353261 is about 11460.9450308428. The cubic root of 131353261 is about 508.3314185242.

The spelling of 131353261 in words is "one hundred thirty-one million, three hundred fifty-three thousand, two hundred sixty-one".