135785377 has 8 divisors (see below), whose sum is σ = 167120576. Its totient is φ = 107434512.

The previous prime is 135785371. The next prime is 135785383. The reversal of 135785377 is 773587531.

It is a happy number.

135785377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (135785371) and next prime (135785383).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135785377 - 2¹⁵ = 135752609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135785371) 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, 745983 + ... + 746164.

It is an arithmetic number, because the mean of its divisors is an integer number (20890072).

Almost surely, 2^135785377 is an apocalyptic number.

It is an amenable number.

135785377 is a deficient number, since it is larger than the sum of its proper divisors (31335199).

135785377 is a wasteful number, since it uses less digits than its factorization.

135785377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492167.

The product of its digits is 617400, while the sum is 46.

The square root of 135785377 is about 11652.6982712160. The cubic root of 135785377 is about 513.9856579747.

The spelling of 135785377 in words is "one hundred thirty-five million, seven hundred eighty-five thousand, three hundred seventy-seven".