135132001540 has 48 divisors (see below), whose sum is σ = 286793724672. Its totient is φ = 53479184256.

The previous prime is 135132001483. The next prime is 135132001559. The reversal of 135132001540 is 45100231531.

It is a happy number.

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, 2271657 + ... + 2330383.

It is an arithmetic number, because the mean of its divisors is an integer number (5974869264).

Almost surely, 2^135132001540 is an apocalyptic number.

135132001540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135132001540 is an abundant number, since it is smaller than the sum of its proper divisors (151661723132).

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

135132001540 is a wasteful number, since it uses less digits than its factorization.

135132001540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59956 (or 59954 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 135132001540 in words is "one hundred thirty-five billion, one hundred thirty-two million, one thousand, five hundred forty".