135842501009216 has 14 divisors (see below), whose sum is σ = 269562462940290. Its totient is φ = 67921250504576.

The previous prime is 135842501009213. The next prime is 135842501009231. The reversal of 135842501009216 is 612900105248531.

It can be written as a sum of positive squares in only one way, i.e., 135818140042816 + 24360966400 = 11654104^2 + 156080^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135842501009213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061269539071 + ... + 1061269539198.

Almost surely, 2^{135842501009216} is an apocalyptic number.

135842501009216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

135842501009216 is a deficient number, since it is larger than the sum of its proper divisors (133719961931074).

135842501009216 is an equidigital number, since it uses as much as digits as its factorization.

135842501009216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122539078281 (or 2122539078271 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 135842501009216 in words is "one hundred thirty-five trillion, eight hundred forty-two billion, five hundred one million, nine thousand, two hundred sixteen".