131377044545 has 8 divisors (see below), whose sum is σ = 164506908096. Its totient is φ = 100531999216.

The previous prime is 131377044509. The next prime is 131377044559. The reversal of 131377044545 is 545440773131.

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 131377044545 - 2⁸ = 131377044289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131377044496 and 131377044505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571204427 + ... + 571204656.

It is an arithmetic number, because the mean of its divisors is an integer number (20563363512).

Almost surely, 2^131377044545 is an apocalyptic number.

It is an amenable number.

131377044545 is a deficient number, since it is larger than the sum of its proper divisors (33129863551).

131377044545 is a wasteful number, since it uses less digits than its factorization.

131377044545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142409111.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 131377044545 in words is "one hundred thirty-one billion, three hundred seventy-seven million, forty-four thousand, five hundred forty-five".