135287770320 has 160 divisors (see below), whose sum is σ = 474783897600. Its totient is φ = 35396015616.

The previous prime is 135287770291. The next prime is 135287770339. The reversal of 135287770320 is 23077782531.

It is a happy number.

135287770320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 476400 + ... + 705359.

It is an arithmetic number, because the mean of its divisors is an integer number (2967399360).

Almost surely, 2^135287770320 is an apocalyptic number.

135287770320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135287770320 is an abundant number, since it is smaller than the sum of its proper divisors (339496127280).

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

135287770320 is a wasteful number, since it uses less digits than its factorization.

135287770320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181834 (or 1181822 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 135287770320 in words is "one hundred thirty-five billion, two hundred eighty-seven million, seven hundred seventy thousand, three hundred twenty".