135371577 has 8 divisors (see below), whose sum is σ = 196904160. Its totient is φ = 82043360.

The previous prime is 135371543. The next prime is 135371597. The reversal of 135371577 is 775173531.

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 135371577 - 2⁸ = 135371321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135371597) 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, 2051052 + ... + 2051117.

It is an arithmetic number, because the mean of its divisors is an integer number (24613020).

Almost surely, 2^135371577 is an apocalyptic number.

It is an amenable number.

135371577 is a deficient number, since it is larger than the sum of its proper divisors (61532583).

135371577 is a wasteful number, since it uses less digits than its factorization.

135371577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102183.

The product of its digits is 77175, while the sum is 39.

The square root of 135371577 is about 11634.9291789851. The cubic root of 135371577 is about 513.4630104255.

The spelling of 135371577 in words is "one hundred thirty-five million, three hundred seventy-one thousand, five hundred seventy-seven".