135019502500 has 45 divisors (see below), whose sum is σ = 295300830517. Its totient is φ = 54000452000.

The previous prime is 135019502489. The next prime is 135019502521. The reversal of 135019502500 is 5205910531.

The square root of 135019502500 is 367450.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 79628938596 + 55390563904 = 282186^2 + 235352^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 18368826 + ... + 18376174.

Almost surely, 2^135019502500 is an apocalyptic number.

135019502500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135019502500 is the 367450-th square number.

It is an amenable number.

135019502500 is an abundant number, since it is smaller than the sum of its proper divisors (160281328017).

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

135019502500 is an frugal number, since it uses more digits than its factorization.

135019502500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14722 (or 7356 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 31.

The spelling of 135019502500 in words is "one hundred thirty-five billion, nineteen million, five hundred two thousand, five hundred".