80135653 has 8 divisors (see below), whose sum is σ = 86374008. Its totient is φ = 73907904.

The previous prime is 80135623. The next prime is 80135669. The reversal of 80135653 is 35653108.

It can be written as a sum of positive squares in 4 ways, for example, as 158404 + 79977249 = 398^2 + 8943^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 80135653 - 2¹⁷ = 80004581 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 (80135623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20751 + ... + 24307.

It is an arithmetic number, because the mean of its divisors is an integer number (10796751).

Almost surely, 2^80135653 is an apocalyptic number.

It is an amenable number.

80135653 is a deficient number, since it is larger than the sum of its proper divisors (6238355).

80135653 is a wasteful number, since it uses less digits than its factorization.

80135653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5303.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 80135653 is about 8951.8519313045. The cubic root of 80135653 is about 431.1303467527.

The spelling of 80135653 in words is "eighty million, one hundred thirty-five thousand, six hundred fifty-three".