135725750 has 64 divisors (see below), whose sum is σ = 266692608. Its totient is φ = 51660000.

The previous prime is 135725749. The next prime is 135725767. The reversal of 135725750 is 57527531.

It is a self number, because there is not a number n which added to its sum of digits gives 135725750.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 643145 + ... + 643355.

It is an arithmetic number, because the mean of its divisors is an integer number (4167072).

Almost surely, 2^135725750 is an apocalyptic number.

135725750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135725750 is a deficient number, since it is larger than the sum of its proper divisors (130966858).

135725750 is a wasteful number, since it uses less digits than its factorization.

135725750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 35.

The square root of 135725750 is about 11650.1394841435. The cubic root of 135725750 is about 513.9104119979.

The spelling of 135725750 in words is "one hundred thirty-five million, seven hundred twenty-five thousand, seven hundred fifty".