135400500500 has 24 divisors (see below), whose sum is σ = 295714694184. Its totient is φ = 54160200000.

The previous prime is 135400500497. The next prime is 135400500539. The reversal of 135400500500 is 5005004531.

It can be written as a sum of positive squares in 4 ways, for example, as 7111886224 + 128288614276 = 84332^2 + 358174^2 .

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, 135400001 + ... + 135401000.

It is an arithmetic number, because the mean of its divisors is an integer number (12321445591).

Almost surely, 2^135400500500 is an apocalyptic number.

135400500500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135400500500 is an abundant number, since it is smaller than the sum of its proper divisors (160314193684).

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

135400500500 is a wasteful number, since it uses less digits than its factorization.

135400500500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270801020 (or 270801008 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The spelling of 135400500500 in words is "one hundred thirty-five billion, four hundred million, five hundred thousand, five hundred".