135564677 has 8 divisors (see below), whose sum is σ = 142808160. Its totient is φ = 128332080.

The previous prime is 135564661. The next prime is 135564679. The reversal of 135564677 is 776465531.

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

It is not a de Polignac number, because 135564677 - 2⁴ = 135564661 is a prime.

It is a super-2 number, since 2×135564677² = 36755563300228658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135564679) 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, 41027 + ... + 44207.

It is an arithmetic number, because the mean of its divisors is an integer number (17851020).

Almost surely, 2^135564677 is an apocalyptic number.

It is an amenable number.

135564677 is a deficient number, since it is larger than the sum of its proper divisors (7243483).

135564677 is a wasteful number, since it uses less digits than its factorization.

135564677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5443.

The product of its digits is 529200, while the sum is 44.

The square root of 135564677 is about 11643.2245104181. The cubic root of 135564677 is about 513.7070365423.

The spelling of 135564677 in words is "one hundred thirty-five million, five hundred sixty-four thousand, six hundred seventy-seven".