135421103410 has 16 divisors (see below), whose sum is σ = 243802884312. Its totient is φ = 54158464000.

The previous prime is 135421103407. The next prime is 135421103413. The reversal of 135421103410 is 14301124531.

It is an interprime number because it is at equal distance from previous prime (135421103407) and next prime (135421103413).

It can be written as a sum of positive squares in 4 ways, for example, as 75357387169 + 60063716241 = 274513^2 + 245079^2 .

It is not an unprimeable number, because it can be changed into a prime (135421103413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1190041 + ... + 1298860.

Almost surely, 2^135421103410 is an apocalyptic number.

135421103410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135421103410 is a deficient number, since it is larger than the sum of its proper divisors (108381780902).

135421103410 is a wasteful number, since it uses less digits than its factorization.

135421103410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494349.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 135421103410 its reverse (14301124531), we get a palindrome (149722227941).

The spelling of 135421103410 in words is "one hundred thirty-five billion, four hundred twenty-one million, one hundred three thousand, four hundred ten".