134898223 has 4 divisors (see below), whose sum is σ = 135411408. Its totient is φ = 134385040.

The previous prime is 134898221. The next prime is 134898229. The reversal of 134898223 is 322898431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322898431 = 4493 ⋅71867.

It is a cyclic number.

It is not a de Polignac number, because 134898223 - 2¹ = 134898221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134898221) 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, 256198 + ... + 256723.

It is an arithmetic number, because the mean of its divisors is an integer number (33852852).

Almost surely, 2^134898223 is an apocalyptic number.

134898223 is a deficient number, since it is larger than the sum of its proper divisors (513185).

134898223 is an equidigital number, since it uses as much as digits as its factorization.

134898223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513184.

The product of its digits is 82944, while the sum is 40.

The square root of 134898223 is about 11614.5694280933. The cubic root of 134898223 is about 512.8638358728.

It can be divided in two parts, 13489 and 8223, that added together give a palindrome (21712).

The spelling of 134898223 in words is "one hundred thirty-four million, eight hundred ninety-eight thousand, two hundred twenty-three".