135570250 has 16 divisors (see below), whose sum is σ = 253787976. Its totient is φ = 54228000.

The previous prime is 135570217. The next prime is 135570251. The reversal of 135570250 is 52075531.

It can be written as a sum of positive squares in 4 ways, for example, as 8173881 + 127396369 = 2859^2 + 11287^2 .

It is not an unprimeable number, because it can be changed into a prime (135570251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270891 + ... + 271390.

Almost surely, 2^135570250 is an apocalyptic number.

135570250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135570250 is a deficient number, since it is larger than the sum of its proper divisors (118217726).

135570250 is an equidigital number, since it uses as much as digits as its factorization.

135570250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542298 (or 542288 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 135570250 is about 11643.4638316954. The cubic root of 135570250 is about 513.7140758639.

The spelling of 135570250 in words is "one hundred thirty-five million, five hundred seventy thousand, two hundred fifty".