134320154 has 4 divisors (see below), whose sum is σ = 201480234. Its totient is φ = 67160076.

The previous prime is 134320127. The next prime is 134320157. The reversal of 134320154 is 451023431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 125776225 + 8543929 = 11215^2 + 2923^2 .

It is not an unprimeable number, because it can be changed into a prime (134320157) 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 as a sum of consecutive naturals, namely, 33580037 + ... + 33580040.

Almost surely, 2^134320154 is an apocalyptic number.

134320154 is a deficient number, since it is larger than the sum of its proper divisors (67160080).

134320154 is an equidigital number, since it uses as much as digits as its factorization.

134320154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67160079.

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

The square root of 134320154 is about 11589.6571994171. The cubic root of 134320154 is about 512.1302082776.

Adding to 134320154 its reverse (451023431), we get a palindrome (585343585).

The spelling of 134320154 in words is "one hundred thirty-four million, three hundred twenty thousand, one hundred fifty-four".