135831408842580 has 48 divisors (see below), whose sum is σ = 414903212466624. Its totient is φ = 32928826385920.

The previous prime is 135831408842567. The next prime is 135831408842611. The reversal of 135831408842580 is 85248804138531.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102902581797 + ... + 102902583116.

It is an arithmetic number, because the mean of its divisors is an integer number (8643816926388).

Almost surely, 2^{135831408842580} is an apocalyptic number.

135831408842580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135831408842580 is an abundant number, since it is smaller than the sum of its proper divisors (279071803624044).

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

135831408842580 is a wasteful number, since it uses less digits than its factorization.

135831408842580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205805164936 (or 205805164934 counting only the distinct ones).

The product of its (nonzero) digits is 29491200, while the sum is 60.

The spelling of 135831408842580 in words is "one hundred thirty-five trillion, eight hundred thirty-one billion, four hundred eight million, eight hundred forty-two thousand, five hundred eighty".