135977735 has 4 divisors (see below), whose sum is σ = 163173288. Its totient is φ = 108782184.

The previous prime is 135977731. The next prime is 135977741. The reversal of 135977735 is 537779531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 537779531 = 1823 ⋅294997.

It is a cyclic number.

It is not a de Polignac number, because 135977735 - 2² = 135977731 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 135977735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135977731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13597769 + ... + 13597778.

It is an arithmetic number, because the mean of its divisors is an integer number (40793322).

Almost surely, 2^135977735 is an apocalyptic number.

135977735 is a deficient number, since it is larger than the sum of its proper divisors (27195553).

135977735 is an equidigital number, since it uses as much as digits as its factorization.

135977735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27195552.

The product of its digits is 694575, while the sum is 47.

The square root of 135977735 is about 11660.9491466175. The cubic root of 135977735 is about 514.2282530782.

The spelling of 135977735 in words is "one hundred thirty-five million, nine hundred seventy-seven thousand, seven hundred thirty-five".