135988453 has 8 divisors (see below), whose sum is σ = 148082400. Its totient is φ = 124388208.

The previous prime is 135988439. The next prime is 135988469. The reversal of 135988453 is 354889531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135988453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135982453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122851 + ... + 123952.

It is an arithmetic number, because the mean of its divisors is an integer number (18510300).

Almost surely, 2^135988453 is an apocalyptic number.

It is an amenable number.

135988453 is a deficient number, since it is larger than the sum of its proper divisors (12093947).

135988453 is a wasteful number, since it uses less digits than its factorization.

135988453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246851.

The product of its digits is 518400, while the sum is 46.

The square root of 135988453 is about 11661.4087056410. The cubic root of 135988453 is about 514.2417635097.

The spelling of 135988453 in words is "one hundred thirty-five million, nine hundred eighty-eight thousand, four hundred fifty-three".