135400210 has 48 divisors (see below), whose sum is σ = 269497368. Its totient is φ = 48942080.

The previous prime is 135400207. The next prime is 135400229. The reversal of 135400210 is 12004531.

It can be written as a sum of positive squares in 4 ways, for example, as 67881121 + 67519089 = 8239^2 + 8217^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 383394 + ... + 383746.

Almost surely, 2^135400210 is an apocalyptic number.

135400210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135400210 is a deficient number, since it is larger than the sum of its proper divisors (134097158).

135400210 is a wasteful number, since it uses less digits than its factorization.

135400210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 135400210 is about 11636.1595898303. The cubic root of 135400210 is about 513.4992094324.

Adding to 135400210 its reverse (12004531), we get a palindrome (147404741).

The spelling of 135400210 in words is "one hundred thirty-five million, four hundred thousand, two hundred ten".