131420045 has 8 divisors (see below), whose sum is σ = 164560896. Its totient is φ = 100564816.

The previous prime is 131420039. The next prime is 131420063. The reversal of 131420045 is 540024131.

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 131420045 - 2¹⁰ = 131419021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131419999 and 131420026.

It is a congruent number.

It is an unprimeable number.

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, 571277 + ... + 571506.

It is an arithmetic number, because the mean of its divisors is an integer number (20570112).

Almost surely, 2^131420045 is an apocalyptic number.

It is an amenable number.

131420045 is a deficient number, since it is larger than the sum of its proper divisors (33140851).

131420045 is a wasteful number, since it uses less digits than its factorization.

131420045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142811.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 131420045 is about 11463.8582074274. The cubic root of 131420045 is about 508.4175543216.

Adding to 131420045 its reverse (540024131), we get a palindrome (671444176).

The spelling of 131420045 in words is "one hundred thirty-one million, four hundred twenty thousand, forty-five".