135672210 has 24 divisors (see below), whose sum is σ = 352747980. Its totient is φ = 36179232.

The previous prime is 135672197. The next prime is 135672227. The reversal of 135672210 is 12276531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 131951169 + 3721041 = 11487^2 + 1929^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 753645 + ... + 753824.

Almost surely, 2^135672210 is an apocalyptic number.

135672210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135672210 is an abundant number, since it is smaller than the sum of its proper divisors (217075770).

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

135672210 is a wasteful number, since it uses less digits than its factorization.

135672210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507482 (or 1507479 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 135672210 is about 11647.8414309262. The cubic root of 135672210 is about 513.8428286981.

The spelling of 135672210 in words is "one hundred thirty-five million, six hundred seventy-two thousand, two hundred ten".