135520410 has 16 divisors (see below), whose sum is σ = 325249056. Its totient is φ = 36138768.

The previous prime is 135520403. The next prime is 135520423. The reversal of 135520410 is 14025531.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2258644 + ... + 2258703.

It is an arithmetic number, because the mean of its divisors is an integer number (20328066).

Almost surely, 2^135520410 is an apocalyptic number.

135520410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135520410 is an abundant number, since it is smaller than the sum of its proper divisors (189728646).

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

135520410 is a wasteful number, since it uses less digits than its factorization.

135520410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4517357.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 135520410 is about 11641.3233783793. The cubic root of 135520410 is about 513.6511155224.

Adding to 135520410 its reverse (14025531), we get a palindrome (149545941).

The spelling of 135520410 in words is "one hundred thirty-five million, five hundred twenty thousand, four hundred ten".