135247700 has 72 divisors (see below), whose sum is σ = 353102400. Its totient is φ = 43925760.

The previous prime is 135247667. The next prime is 135247703. The reversal of 135247700 is 7742531.

135247700 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135247703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8216 + ... + 18384.

It is an arithmetic number, because the mean of its divisors is an integer number (4904200).

Almost surely, 2^135247700 is an apocalyptic number.

135247700 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 135247700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176551200).

135247700 is an abundant number, since it is smaller than the sum of its proper divisors (217854700).

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

135247700 is a wasteful number, since it uses less digits than its factorization.

135247700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10209 (or 10202 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 135247700 is about 11629.6044644691. The cubic root of 135247700 is about 513.3063412280.

It can be divided in two parts, 135247 and 700, that multiplied together give a square (94672900 = 9730²).

The spelling of 135247700 in words is "one hundred thirty-five million, two hundred forty-seven thousand, seven hundred".