135400075540 has 12 divisors (see below), whose sum is σ = 284340158676. Its totient is φ = 54160030208.

The previous prime is 135400075519. The next prime is 135400075583. The reversal of 135400075540 is 45570004531.

It can be written as a sum of positive squares in 2 ways, for example, as 70388334864 + 65011740676 = 265308^2 + 254974^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135400075496 and 135400075505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3385001869 + ... + 3385001908.

It is an arithmetic number, because the mean of its divisors is an integer number (23695013223).

Almost surely, 2^135400075540 is an apocalyptic number.

135400075540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135400075540 is an abundant number, since it is smaller than the sum of its proper divisors (148940083136).

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

135400075540 is a wasteful number, since it uses less digits than its factorization.

135400075540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6770003786 (or 6770003784 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The spelling of 135400075540 in words is "one hundred thirty-five billion, four hundred million, seventy-five thousand, five hundred forty".