238707135022500 has 135 divisors (see below), whose sum is σ = 754014200152213. Its totient is φ = 63654618000000.

The previous prime is 238707135022483. The next prime is 238707135022519. The reversal of 238707135022500 is 5220531707832.

The square root of 238707135022500 is 15450150.

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

238707135022500 is a `hidden beast` number, since 2 + 3 + 8 + 7 + 0 + 7 + 135 + 0 + 2 + 2 + 500 = 666.

238707135022500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 7 ways, for example, as 237888732544164 + 818402478336 = 15423642^2 + 904656^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2317471000 + ... + 2317574000.

Almost surely, 2^{238707135022500} is an apocalyptic number.

238707135022500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

238707135022500 is the 15450150-th square number.

It is an amenable number.

238707135022500 is an abundant number, since it is smaller than the sum of its proper divisors (515307065129713).

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

238707135022500 is an frugal number, since it uses more digits than its factorization.

238707135022500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206032 (or 103011 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 238707135022500 in words is "two hundred thirty-eight trillion, seven hundred seven billion, one hundred thirty-five million, twenty-two thousand, five hundred".