131389955 has 8 divisors (see below), whose sum is σ = 157947504. Its totient is φ = 104925600.

The previous prime is 131389933. The next prime is 131389967. The reversal of 131389955 is 559983131.

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

It is not a de Polignac number, because 131389955 - 2¹⁰ = 131388931 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20156 + ... + 25865.

It is an arithmetic number, because the mean of its divisors is an integer number (19743438).

Almost surely, 2^131389955 is an apocalyptic number.

131389955 is a deficient number, since it is larger than the sum of its proper divisors (26557549).

131389955 is an equidigital number, since it uses as much as digits as its factorization.

131389955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46597.

The product of its digits is 145800, while the sum is 44.

The square root of 131389955 is about 11462.5457469098. The cubic root of 131389955 is about 508.3787488463.

The spelling of 131389955 in words is "one hundred thirty-one million, three hundred eighty-nine thousand, nine hundred fifty-five".