135141237620 has 24 divisors (see below), whose sum is σ = 283807506024. Its totient is φ = 54054417536.

The previous prime is 135141237613. The next prime is 135141237641. The reversal of 135141237620 is 26732141531.

It can be written as a sum of positive squares in 4 ways, for example, as 27424684816 + 107716552804 = 165604^2 + 328202^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471482 + ... + 701838.

It is an arithmetic number, because the mean of its divisors is an integer number (11825312751).

Almost surely, 2^135141237620 is an apocalyptic number.

135141237620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135141237620 is an abundant number, since it is smaller than the sum of its proper divisors (148666268404).

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

135141237620 is a wasteful number, since it uses less digits than its factorization.

135141237620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259699 (or 259697 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 135141237620 in words is "one hundred thirty-five billion, one hundred forty-one million, two hundred thirty-seven thousand, six hundred twenty".