135504210 has 32 divisors (see below), whose sum is σ = 329795712. Its totient is φ = 35624960.

The previous prime is 135504209. The next prime is 135504277. The reversal of 135504210 is 12405531.

It is a super-2 number, since 2×135504210² = 36722781855448200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29679 + ... + 33938.

It is an arithmetic number, because the mean of its divisors is an integer number (10306116).

Almost surely, 2^135504210 is an apocalyptic number.

135504210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135504210 is an abundant number, since it is smaller than the sum of its proper divisors (194291502).

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

135504210 is a wasteful number, since it uses less digits than its factorization.

135504210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63698.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 135504210 is about 11640.6275604024. The cubic root of 135504210 is about 513.6306475607.

Adding to 135504210 its reverse (12405531), we get a palindrome (147909741).

The spelling of 135504210 in words is "one hundred thirty-five million, five hundred four thousand, two hundred ten".