135704577 has 16 divisors (see below), whose sum is σ = 194899968. Its totient is φ = 83743440.

The previous prime is 135704573. The next prime is 135704609. The reversal of 135704577 is 775407531.

It is not a de Polignac number, because 135704577 - 2² = 135704573 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135704573) 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, 29583 + ... + 33860.

It is an arithmetic number, because the mean of its divisors is an integer number (12181248).

Almost surely, 2^135704577 is an apocalyptic number.

It is an amenable number.

135704577 is a deficient number, since it is larger than the sum of its proper divisors (59195391).

135704577 is a wasteful number, since it uses less digits than its factorization.

135704577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63500.

The product of its (nonzero) digits is 102900, while the sum is 39.

The square root of 135704577 is about 11649.2307471352. The cubic root of 135704577 is about 513.8836875407.

The spelling of 135704577 in words is "one hundred thirty-five million, seven hundred four thousand, five hundred seventy-seven".