135837500 has 36 divisors (see below), whose sum is σ = 297152856. Its totient is φ = 54330000.

The previous prime is 135837491. The next prime is 135837503. The reversal of 135837500 is 5738531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135837503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7067 + ... + 17933.

It is an arithmetic number, because the mean of its divisors is an integer number (8254246).

Almost surely, 2^135837500 is an apocalyptic number.

135837500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135837500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148576428).

135837500 is an abundant number, since it is smaller than the sum of its proper divisors (161315356).

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

135837500 is an equidigital number, since it uses as much as digits as its factorization.

135837500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10896 (or 10874 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 135837500 is about 11654.9345772510. The cubic root of 135837500 is about 514.0514162760.

The spelling of 135837500 in words is "one hundred thirty-five million, eight hundred thirty-seven thousand, five hundred".