135315420 has 24 divisors (see below), whose sum is σ = 378883344. Its totient is φ = 36084096.

The previous prime is 135315409. The next prime is 135315431. The reversal of 135315420 is 24513531.

135315420 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (135315409) and next prime (135315431).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1127569 + ... + 1127688.

It is an arithmetic number, because the mean of its divisors is an integer number (15786806).

Almost surely, 2^135315420 is an apocalyptic number.

135315420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135315420 is an abundant number, since it is smaller than the sum of its proper divisors (243567924).

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

135315420 is a wasteful number, since it uses less digits than its factorization.

135315420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255269 (or 2255267 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 135315420 is about 11632.5156350636. The cubic root of 135315420 is about 513.3919996293.

Adding to 135315420 its reverse (24513531), we get a palindrome (159828951).

The spelling of 135315420 in words is "one hundred thirty-five million, three hundred fifteen thousand, four hundred twenty".