135625660 has 48 divisors (see below), whose sum is σ = 306724320. Its totient is φ = 50186240.

The previous prime is 135625649. The next prime is 135625661. The reversal of 135625660 is 66526531.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135625661) 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, 16680 + ... + 23440.

It is an arithmetic number, because the mean of its divisors is an integer number (6390090).

Almost surely, 2^135625660 is an apocalyptic number.

135625660 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 135625660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153362160).

135625660 is an abundant number, since it is smaller than the sum of its proper divisors (171098660).

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

135625660 is a wasteful number, since it uses less digits than its factorization.

135625660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6846 (or 6844 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 135625660 is about 11645.8430351778. The cubic root of 135625660 is about 513.7840543924.

The spelling of 135625660 in words is "one hundred thirty-five million, six hundred twenty-five thousand, six hundred sixty".