135411020 has 48 divisors (see below), whose sum is σ = 291083520. Its totient is φ = 52899264.

The previous prime is 135411019. The next prime is 135411047. The reversal of 135411020 is 20114531.

It is a super-2 number, since 2×135411020² = 36672288674880800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135411020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185897 + ... + 186623.

It is an arithmetic number, because the mean of its divisors is an integer number (6064240).

Almost surely, 2^135411020 is an apocalyptic number.

135411020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135411020 is an abundant number, since it is smaller than the sum of its proper divisors (155672500).

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

135411020 is a wasteful number, since it uses less digits than its factorization.

135411020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 940 counting only the distinct ones).

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

The square root of 135411020 is about 11636.6240808922. The cubic root of 135411020 is about 513.5128745484.

Adding to 135411020 its reverse (20114531), we get a palindrome (155525551).

The spelling of 135411020 in words is "one hundred thirty-five million, four hundred eleven thousand, twenty".