135085783 has 16 divisors (see below), whose sum is σ = 157034304. Its totient is φ = 113817600.

The previous prime is 135085733. The next prime is 135085793. The reversal of 135085783 is 387580531.

It is a cyclic number.

It is not a de Polignac number, because 135085783 - 2¹⁷ = 134954711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135085703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110391 + ... + 111607.

It is an arithmetic number, because the mean of its divisors is an integer number (9814644).

Almost surely, 2^135085783 is an apocalyptic number.

135085783 is a deficient number, since it is larger than the sum of its proper divisors (21948521).

135085783 is a wasteful number, since it uses less digits than its factorization.

135085783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 135085783 is about 11622.6409649442. The cubic root of 135085783 is about 513.1014179348.

It can be divided in two parts, 13508 and 5783, that added together give a palindrome (19291).

The spelling of 135085783 in words is "one hundred thirty-five million, eighty-five thousand, seven hundred eighty-three".