135379720 has 32 divisors (see below), whose sum is σ = 348120000. Its totient is φ = 46415808.

The previous prime is 135379667. The next prime is 135379729. The reversal of 135379720 is 27973531.

It is a self number, because there is not a number n which added to its sum of digits gives 135379720.

It is not an unprimeable number, because it can be changed into a prime (135379729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241470 + ... + 242029.

It is an arithmetic number, because the mean of its divisors is an integer number (10878750).

Almost surely, 2^135379720 is an apocalyptic number.

135379720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135379720 is an abundant number, since it is smaller than the sum of its proper divisors (212740280).

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

135379720 is a wasteful number, since it uses less digits than its factorization.

135379720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483517 (or 483513 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 135379720 is about 11635.2791113922. The cubic root of 135379720 is about 513.4733056577.

The spelling of 135379720 in words is "one hundred thirty-five million, three hundred seventy-nine thousand, seven hundred twenty".