131241559 has 8 divisors (see below), whose sum is σ = 137016000. Its totient is φ = 125550432.

The previous prime is 131241541. The next prime is 131241563. The reversal of 131241559 is 955142131.

131241559 = T₂₉₉₄ + T₂₉₉₅ + ... + T₃₀₂₂.

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 131241559 - 2⁵ = 131241527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131241559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131241659) 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, 17599 + ... + 23920.

It is an arithmetic number, because the mean of its divisors is an integer number (17127000).

Almost surely, 2^131241559 is an apocalyptic number.

131241559 is a deficient number, since it is larger than the sum of its proper divisors (5774441).

131241559 is a wasteful number, since it uses less digits than its factorization.

131241559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41657.

The product of its digits is 5400, while the sum is 31.

The square root of 131241559 is about 11456.0708360240. The cubic root of 131241559 is about 508.1872836956.

The spelling of 131241559 in words is "one hundred thirty-one million, two hundred forty-one thousand, five hundred fifty-nine".