135702378 has 96 divisors (see below), whose sum is σ = 352550016. Its totient is φ = 38320128.

The previous prime is 135702373. The next prime is 135702379. The reversal of 135702378 is 873207531.

135702378 is a `hidden beast` number, since 13 + 570 + 2 + 3 + 78 = 666.

It is not an unprimeable number, because it can be changed into a prime (135702373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 384250 + ... + 384602.

It is an arithmetic number, because the mean of its divisors is an integer number (3672396).

Almost surely, 2^135702378 is an apocalyptic number.

135702378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 135702378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176275008).

135702378 is an abundant number, since it is smaller than the sum of its proper divisors (216847638).

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

135702378 is a wasteful number, since it uses less digits than its factorization.

135702378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 135702378 is about 11649.1363628382. The cubic root of 135702378 is about 513.8809118143.

The spelling of 135702378 in words is "one hundred thirty-five million, seven hundred two thousand, three hundred seventy-eight".