134645651 has 4 divisors (see below), whose sum is σ = 153880752. Its totient is φ = 115410552.

The previous prime is 134645633. The next prime is 134645659. The reversal of 134645651 is 156546431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 156546431 = 6659 ⋅23509.

It is a cyclic number.

It is not a de Polignac number, because 134645651 - 2¹⁴ = 134629267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134645659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9617540 + ... + 9617553.

It is an arithmetic number, because the mean of its divisors is an integer number (38470188).

Almost surely, 2^134645651 is an apocalyptic number.

134645651 is a deficient number, since it is larger than the sum of its proper divisors (19235101).

134645651 is an equidigital number, since it uses as much as digits as its factorization.

134645651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19235100.

The product of its digits is 43200, while the sum is 35.

The square root of 134645651 is about 11603.6912661446. The cubic root of 134645651 is about 512.5435549738.

The spelling of 134645651 in words is "one hundred thirty-four million, six hundred forty-five thousand, six hundred fifty-one".