135292680 has 192 divisors, whose sum is σ = 471744000. Its totient is φ = 34836480.

The previous prime is 135292679. The next prime is 135292687. The reversal of 135292680 is 86292531.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (135292687) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 301096 + ... + 301544.

It is an arithmetic number, because the mean of its divisors is an integer number (2457000).

Almost surely, 2^135292680 is an apocalyptic number.

135292680 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 135292680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235872000).

135292680 is an abundant number, since it is smaller than the sum of its proper divisors (336451320).

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

135292680 is a wasteful number, since it uses less digits than its factorization.

135292680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 135292680 is about 11631.5381613955. The cubic root of 135292680 is about 513.3632392015.

The spelling of 135292680 in words is "one hundred thirty-five million, two hundred ninety-two thousand, six hundred eighty".