134323645 has 8 divisors (see below), whose sum is σ = 161605080. Its totient is φ = 107181120.

The previous prime is 134323633. The next prime is 134323663. The reversal of 134323645 is 546323431.

It can be written as a sum of positive squares in 4 ways, for example, as 9018009 + 125305636 = 3003^2 + 11194^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134323645 - 2¹⁹ = 133799357 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 32586 + ... + 36475.

It is an arithmetic number, because the mean of its divisors is an integer number (20200635).

Almost surely, 2^134323645 is an apocalyptic number.

It is an amenable number.

134323645 is a deficient number, since it is larger than the sum of its proper divisors (27281435).

134323645 is an equidigital number, since it uses as much as digits as its factorization.

134323645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69455.

The product of its digits is 25920, while the sum is 31.

The square root of 134323645 is about 11589.8078068620. The cubic root of 134323645 is about 512.1346450182.

It can be divided in two parts, 1343236 and 45, that added together give a square (1343281 = 1159²).

The spelling of 134323645 in words is "one hundred thirty-four million, three hundred twenty-three thousand, six hundred forty-five".