135670380 has 24 divisors (see below), whose sum is σ = 379877232. Its totient is φ = 36178752.

The previous prime is 135670369. The next prime is 135670397. The reversal of 135670380 is 83076531.

It is a happy number.

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, 1130527 + ... + 1130646.

It is an arithmetic number, because the mean of its divisors is an integer number (15828218).

Almost surely, 2^135670380 is an apocalyptic number.

135670380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135670380 is an abundant number, since it is smaller than the sum of its proper divisors (244206852).

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

135670380 is a wasteful number, since it uses less digits than its factorization.

135670380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261185 (or 2261183 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 135670380 is about 11647.7628753336. The cubic root of 135670380 is about 513.8405183831.

The spelling of 135670380 in words is "one hundred thirty-five million, six hundred seventy thousand, three hundred eighty".