135947670 has 32 divisors (see below), whose sum is σ = 326695680. Its totient is φ = 36205920.

The previous prime is 135947663. The next prime is 135947671. The reversal of 135947670 is 76749531.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135947671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25105 + ... + 30035.

It is an arithmetic number, because the mean of its divisors is an integer number (10209240).

Almost surely, 2^135947670 is an apocalyptic number.

135947670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135947670 is an abundant number, since it is smaller than the sum of its proper divisors (190748010).

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

135947670 is a wasteful number, since it uses less digits than its factorization.

135947670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5860.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 135947670 is about 11659.6599435833. The cubic root of 135947670 is about 514.1903512555.

The spelling of 135947670 in words is "one hundred thirty-five million, nine hundred forty-seven thousand, six hundred seventy".