134651605 has 16 divisors (see below), whose sum is σ = 176618304. Its totient is φ = 97735680.

The previous prime is 134651603. The next prime is 134651653. The reversal of 134651605 is 506156431.

It is not a de Polignac number, because 134651605 - 2¹ = 134651603 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 (134651603) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 29614 + ... + 33856.

It is an arithmetic number, because the mean of its divisors is an integer number (11038644).

Almost surely, 2^134651605 is an apocalyptic number.

It is an amenable number.

134651605 is a deficient number, since it is larger than the sum of its proper divisors (41966699).

134651605 is a wasteful number, since it uses less digits than its factorization.

134651605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4836.

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

The square root of 134651605 is about 11603.9478196000. The cubic root of 134651605 is about 512.5511097155.

The spelling of 134651605 in words is "one hundred thirty-four million, six hundred fifty-one thousand, six hundred five".