135354052040 has 64 divisors (see below), whose sum is σ = 307369566000. Its totient is φ = 53641755648.

The previous prime is 135354052021. The next prime is 135354052091. The reversal of 135354052040 is 40250453531.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 34434740356 + 100919311684 = 185566^2 + 317678^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135354051988 and 135354052006.

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, 2160842 + ... + 2222598.

Almost surely, 2^135354052040 is an apocalyptic number.

135354052040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135354052040 is an abundant number, since it is smaller than the sum of its proper divisors (172015513960).

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

135354052040 is a wasteful number, since it uses less digits than its factorization.

135354052040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62274 (or 62270 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 135354052040 in words is "one hundred thirty-five billion, three hundred fifty-four million, fifty-two thousand, forty".