131639041 has 8 divisors (see below), whose sum is σ = 141346944. Its totient is φ = 122149440.

The previous prime is 131639029. The next prime is 131639059. The reversal of 131639041 is 140936131.

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 131639041 - 2⁵ = 131639009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131639021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53325 + ... + 55738.

It is an arithmetic number, because the mean of its divisors is an integer number (17668368).

Almost surely, 2^131639041 is an apocalyptic number.

It is an amenable number.

131639041 is a deficient number, since it is larger than the sum of its proper divisors (9707903).

131639041 is a wasteful number, since it uses less digits than its factorization.

131639041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109151.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 131639041 is about 11473.4058151884. The cubic root of 131639041 is about 508.6998035582.

The spelling of 131639041 in words is "one hundred thirty-one million, six hundred thirty-nine thousand, forty-one".