135140780 has 24 divisors (see below), whose sum is σ = 292951680. Its totient is φ = 52312320.

The previous prime is 135140771. The next prime is 135140843. The reversal of 135140780 is 87041531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108365 + ... + 109604.

It is an arithmetic number, because the mean of its divisors is an integer number (12206320).

Almost surely, 2^135140780 is an apocalyptic number.

135140780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135140780 is an abundant number, since it is smaller than the sum of its proper divisors (157810900).

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

135140780 is a wasteful number, since it uses less digits than its factorization.

135140780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218009 (or 218007 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 135140780 is about 11625.0066666648. The cubic root of 135140780 is about 513.1710408794.

The spelling of 135140780 in words is "one hundred thirty-five million, one hundred forty thousand, seven hundred eighty".