131505456510 has 24 divisors (see below), whose sum is σ = 341914187160. Its totient is φ = 35068121712.

The previous prime is 131505456463. The next prime is 131505456541. The reversal of 131505456510 is 15654505131.

131505456510 is a `hidden beast` number, since 1 + 3 + 1 + 50 + 545 + 65 + 1 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 730585780 + ... + 730585959.

It is an arithmetic number, because the mean of its divisors is an integer number (14246424465).

Almost surely, 2^131505456510 is an apocalyptic number.

131505456510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131505456510 is an abundant number, since it is smaller than the sum of its proper divisors (210408730650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131505456510 is a wasteful number, since it uses less digits than its factorization.

131505456510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461171752 (or 1461171749 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 131505456510 in words is "one hundred thirty-one billion, five hundred five million, four hundred fifty-six thousand, five hundred ten".