135211400 has 24 divisors (see below), whose sum is σ = 314366970. Its totient is φ = 54084480.

The previous prime is 135211397. The next prime is 135211463. The reversal of 135211400 is 4112531.

It can be written as a sum of positive squares in 3 ways, for example, as 125933284 + 9278116 = 11222^2 + 3046^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 337829 + ... + 338228.

Almost surely, 2^135211400 is an apocalyptic number.

135211400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135211400 is an abundant number, since it is smaller than the sum of its proper divisors (179155570).

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

135211400 is a wasteful number, since it uses less digits than its factorization.

135211400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676073 (or 676064 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 135211400 is about 11628.0436875684. The cubic root of 135211400 is about 513.2604139221.

Adding to 135211400 its reverse (4112531), we get a palindrome (139323931).

The spelling of 135211400 in words is "one hundred thirty-five million, two hundred eleven thousand, four hundred".