135540677 has 8 divisors (see below), whose sum is σ = 143747136. Its totient is φ = 127360192.

The previous prime is 135540653. The next prime is 135540683. The reversal of 135540677 is 776045531.

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

It is not a de Polignac number, because 135540677 - 2⁸ = 135540421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135540677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135540607) 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, 4838 + ... + 17160.

It is an arithmetic number, because the mean of its divisors is an integer number (17968392).

Almost surely, 2^135540677 is an apocalyptic number.

135540677 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

135540677 is a deficient number, since it is larger than the sum of its proper divisors (8206459).

135540677 is a wasteful number, since it uses less digits than its factorization.

135540677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12987.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 135540677 is about 11642.1938224718. The cubic root of 135540677 is about 513.6767196565.

The spelling of 135540677 in words is "one hundred thirty-five million, five hundred forty thousand, six hundred seventy-seven".