135620500 has 24 divisors (see below), whose sum is σ = 296196264. Its totient is φ = 54248000.

The previous prime is 135620483. The next prime is 135620549. The reversal of 135620500 is 5026531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2079364 + 133541136 = 1442^2 + 11556^2 .

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, 135121 + ... + 136120.

It is an arithmetic number, because the mean of its divisors is an integer number (12341511).

Almost surely, 2^135620500 is an apocalyptic number.

135620500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135620500 is an abundant number, since it is smaller than the sum of its proper divisors (160575764).

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

135620500 is a wasteful number, since it uses less digits than its factorization.

135620500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271260 (or 271248 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 135620500 is about 11645.6214947937. The cubic root of 135620500 is about 513.7775385179. Note that the first 3 decimals are identical.

The spelling of 135620500 in words is "one hundred thirty-five million, six hundred twenty thousand, five hundred".