131380809389 has 4 divisors (see below), whose sum is σ = 131382107424. Its totient is φ = 131379511356.

The previous prime is 131380809367. The next prime is 131380809397. The reversal of 131380809389 is 983908083131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131380809389 - 2¹⁶ = 131380743853 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 131380809389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131380809319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483047 + ... + 704340.

It is an arithmetic number, because the mean of its divisors is an integer number (32845526856).

Almost surely, 2^131380809389 is an apocalyptic number.

It is an amenable number.

131380809389 is a deficient number, since it is larger than the sum of its proper divisors (1298035).

131380809389 is a wasteful number, since it uses less digits than its factorization.

131380809389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298034.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The spelling of 131380809389 in words is "one hundred thirty-one billion, three hundred eighty million, eight hundred nine thousand, three hundred eighty-nine".