131382020145 has 8 divisors (see below), whose sum is σ = 210211232256. Its totient is φ = 70070410736.

The previous prime is 131382020101. The next prime is 131382020171. The reversal of 131382020145 is 541020283131.

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 131382020145 - 2⁷ = 131382020017 is a prime.

It is a super-2 number, since 2×131382020145² (a number of 23 digits) contains 22 as substring.

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, 4379400657 + ... + 4379400686.

It is an arithmetic number, because the mean of its divisors is an integer number (26276404032).

Almost surely, 2^131382020145 is an apocalyptic number.

131382020145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131382020145 is a deficient number, since it is larger than the sum of its proper divisors (78829212111).

131382020145 is an equidigital number, since it uses as much as digits as its factorization.

131382020145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8758801351.

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 131382020145 in words is "one hundred thirty-one billion, three hundred eighty-two million, twenty thousand, one hundred forty-five".