134443653 has 16 divisors (see below), whose sum is σ = 181105920. Its totient is φ = 88710336.

The previous prime is 134443651. The next prime is 134443679. The reversal of 134443653 is 356344431.

It is not a de Polignac number, because 134443653 - 2¹ = 134443651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134443651) 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, 186628 + ... + 187346.

It is an arithmetic number, because the mean of its divisors is an integer number (11319120).

Almost surely, 2^134443653 is an apocalyptic number.

It is an amenable number.

134443653 is a deficient number, since it is larger than the sum of its proper divisors (46662267).

134443653 is a wasteful number, since it uses less digits than its factorization.

134443653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276.

The product of its digits is 51840, while the sum is 33.

The square root of 134443653 is about 11594.9839585917. The cubic root of 134443653 is about 512.2871174545.

The spelling of 134443653 in words is "one hundred thirty-four million, four hundred forty-three thousand, six hundred fifty-three".