135405510212 has 36 divisors (see below), whose sum is σ = 273466380096. Its totient is φ = 57467399760.

The previous prime is 135405510211. The next prime is 135405510217. The reversal of 135405510212 is 212015504531.

It is not an unprimeable number, because it can be changed into a prime (135405510211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69137 + ... + 524967.

It is an arithmetic number, because the mean of its divisors is an integer number (7596288336).

Almost surely, 2^135405510212 is an apocalyptic number.

It is an amenable number.

135405510212 is an abundant number, since it is smaller than the sum of its proper divisors (138060869884).

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

135405510212 is a wasteful number, since it uses less digits than its factorization.

135405510212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456048 (or 455943 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 135405510212 in words is "one hundred thirty-five billion, four hundred five million, five hundred ten thousand, two hundred twelve".