134320145 has 32 divisors (see below), whose sum is σ = 175633920. Its totient is φ = 98242560.

The previous prime is 134320127. The next prime is 134320157. The reversal of 134320145 is 541023431.

It is not a de Polignac number, because 134320145 - 2¹⁶ = 134254609 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 134320145.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 557225 + ... + 557465.

It is an arithmetic number, because the mean of its divisors is an integer number (5488560).

Almost surely, 2^134320145 is an apocalyptic number.

It is an amenable number.

134320145 is a deficient number, since it is larger than the sum of its proper divisors (41313775).

134320145 is a wasteful number, since it uses less digits than its factorization.

134320145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 134320145 is about 11589.6568111398. The cubic root of 134320145 is about 512.1301968393.

Adding to 134320145 its reverse (541023431), we get a palindrome (675343576).

The spelling of 134320145 in words is "one hundred thirty-four million, three hundred twenty thousand, one hundred forty-five".