135023340 has 48 divisors (see below), whose sum is σ = 394507008. Its totient is φ = 34440384.

The previous prime is 135023303. The next prime is 135023347. The reversal of 135023340 is 43320531.

It is not an unprimeable number, because it can be changed into a prime (135023347) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 47542 + ... + 50301.

It is an arithmetic number, because the mean of its divisors is an integer number (8218896).

Almost surely, 2^135023340 is an apocalyptic number.

135023340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135023340 is an abundant number, since it is smaller than the sum of its proper divisors (259483668).

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

135023340 is a wasteful number, since it uses less digits than its factorization.

135023340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97878 (or 97876 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 135023340 is about 11619.9543888950. The cubic root of 135023340 is about 513.0223458836.

Adding to 135023340 its reverse (43320531), we get a palindrome (178343871).

The spelling of 135023340 in words is "one hundred thirty-five million, twenty-three thousand, three hundred forty".