1655344135 has 4 divisors (see below), whose sum is σ = 1986412968. Its totient is φ = 1324275304.

The previous prime is 1655344123. The next prime is 1655344181. The reversal of 1655344135 is 5314435561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5314435561 = 59 ⋅90075179.

It is a cyclic number.

It is not a de Polignac number, because 1655344135 - 2¹⁵ = 1655311367 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1655344094 and 1655344103.

It is a congruent number.

It is an unprimeable number.

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, 165534409 + ... + 165534418.

It is an arithmetic number, because the mean of its divisors is an integer number (496603242).

Almost surely, 2^1655344135 is an apocalyptic number.

1655344135 is a deficient number, since it is larger than the sum of its proper divisors (331068833).

1655344135 is an equidigital number, since it uses as much as digits as its factorization.

1655344135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331068832.

The product of its digits is 108000, while the sum is 37.

The square root of 1655344135 is about 40685.9205991458. The cubic root of 1655344135 is about 1182.9401294041.

Adding to 1655344135 its reverse (5314435561), we get a palindrome (6969779696).

The spelling of 1655344135 in words is "one billion, six hundred fifty-five million, three hundred forty-four thousand, one hundred thirty-five".