135160421 has 8 divisors (see below), whose sum is σ = 156121344. Its totient is φ = 115645120.

The previous prime is 135160379. The next prime is 135160427. The reversal of 135160421 is 124061531.

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-135160421 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 (135160427) 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, 361205 + ... + 361578.

It is an arithmetic number, because the mean of its divisors is an integer number (19515168).

Almost surely, 2^135160421 is an apocalyptic number.

135160421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

135160421 is a deficient number, since it is larger than the sum of its proper divisors (20960923).

135160421 is a wasteful number, since it uses less digits than its factorization.

135160421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722811.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 135160421 is about 11625.8514096818. The cubic root of 135160421 is about 513.1959006446.

The spelling of 135160421 in words is "one hundred thirty-five million, one hundred sixty thousand, four hundred twenty-one".