135644750 has 16 divisors (see below), whose sum is σ = 253927440. Its totient is φ = 54257800.

The previous prime is 135644749. The next prime is 135644759. The reversal of 135644750 is 57446531.

It is a self number, because there is not a number n which added to its sum of digits gives 135644750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135644759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271040 + ... + 271539.

It is an arithmetic number, because the mean of its divisors is an integer number (15870465).

Almost surely, 2^135644750 is an apocalyptic number.

135644750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135644750 is a deficient number, since it is larger than the sum of its proper divisors (118282690).

135644750 is an equidigital number, since it uses as much as digits as its factorization.

135644750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542596 (or 542586 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 135644750 is about 11646.6626120962. The cubic root of 135644750 is about 513.8081591659.

The spelling of 135644750 in words is "one hundred thirty-five million, six hundred forty-four thousand, seven hundred fifty".