134807845 has 4 divisors (see below), whose sum is σ = 161769420. Its totient is φ = 107846272.

The previous prime is 134807843. The next prime is 134807851. The reversal of 134807845 is 548708431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 548708431 = 7457 ⋅73583.

It can be written as a sum of positive squares in 2 ways, for example, as 103245921 + 31561924 = 10161^2 + 5618^2 .

It is a cyclic number.

It is not a de Polignac number, because 134807845 - 2¹ = 134807843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134807798 and 134807807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134807843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13480780 + ... + 13480789.

It is an arithmetic number, because the mean of its divisors is an integer number (40442355).

Almost surely, 2^134807845 is an apocalyptic number.

It is an amenable number.

134807845 is a deficient number, since it is larger than the sum of its proper divisors (26961575).

134807845 is an equidigital number, since it uses as much as digits as its factorization.

134807845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26961574.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 134807845 is about 11610.6780594417. The cubic root of 134807845 is about 512.7492755225.

The spelling of 134807845 in words is "one hundred thirty-four million, eight hundred seven thousand, eight hundred forty-five".