135525750 has 32 divisors (see below), whose sum is σ = 338274144. Its totient is φ = 36140000.

The previous prime is 135525737. The next prime is 135525757. The reversal of 135525750 is 57525531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135525757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89601 + ... + 91100.

It is an arithmetic number, because the mean of its divisors is an integer number (10571067).

Almost surely, 2^135525750 is an apocalyptic number.

135525750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135525750 is an abundant number, since it is smaller than the sum of its proper divisors (202748394).

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

135525750 is a wasteful number, since it uses less digits than its factorization.

135525750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180721 (or 180711 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 33.

The square root of 135525750 is about 11641.5527314873. The cubic root of 135525750 is about 513.6578620115.

The spelling of 135525750 in words is "one hundred thirty-five million, five hundred twenty-five thousand, seven hundred fifty".