131477389 has 8 divisors (see below), whose sum is σ = 133217280. Its totient is φ = 129745536.

The previous prime is 131477369. The next prime is 131477399. The reversal of 131477389 is 983774131.

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 131477389 - 2¹³ = 131469197 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 (131477369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35382 + ... + 38920.

It is an arithmetic number, because the mean of its divisors is an integer number (16652160).

Almost surely, 2^131477389 is an apocalyptic number.

It is an amenable number.

131477389 is a deficient number, since it is larger than the sum of its proper divisors (1739891).

131477389 is an equidigital number, since it uses as much as digits as its factorization.

131477389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019.

The product of its digits is 127008, while the sum is 43.

The square root of 131477389 is about 11466.3590123456. The cubic root of 131477389 is about 508.4914914362.

The spelling of 131477389 in words is "one hundred thirty-one million, four hundred seventy-seven thousand, three hundred eighty-nine".