135215410 has 32 divisors (see below), whose sum is σ = 266602752. Its totient is φ = 48967680.

The previous prime is 135215407. The next prime is 135215411. The reversal of 135215410 is 14512531.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (135215411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25879 + ... + 30661.

It is an arithmetic number, because the mean of its divisors is an integer number (8331336).

Almost surely, 2^135215410 is an apocalyptic number.

135215410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135215410 is a deficient number, since it is larger than the sum of its proper divisors (131387342).

135215410 is a wasteful number, since it uses less digits than its factorization.

135215410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5058.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 135215410 is about 11628.2161142628. The cubic root of 135215410 is about 513.2654878383.

Adding to 135215410 its reverse (14512531), we get a palindrome (149727941).

The spelling of 135215410 in words is "one hundred thirty-five million, two hundred fifteen thousand, four hundred ten".