135529140 has 24 divisors (see below), whose sum is σ = 379481760. Its totient is φ = 36141088.

The previous prime is 135529127. The next prime is 135529181. The reversal of 135529140 is 41925531.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 135529098 and 135529107.

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, 1129350 + ... + 1129469.

It is an arithmetic number, because the mean of its divisors is an integer number (15811740).

Almost surely, 2^135529140 is an apocalyptic number.

135529140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135529140 is an abundant number, since it is smaller than the sum of its proper divisors (243952620).

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

135529140 is a wasteful number, since it uses less digits than its factorization.

135529140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258831 (or 2258829 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 135529140 is about 11641.6983297112. The cubic root of 135529140 is about 513.6621448031.

The spelling of 135529140 in words is "one hundred thirty-five million, five hundred twenty-nine thousand, one hundred forty".