134444458 has 32 divisors (see below), whose sum is σ = 216253440. Its totient is φ = 62570880.

The previous prime is 134444441. The next prime is 134444459. The reversal of 134444458 is 854444431.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (134444459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235998 + ... + 236566.

It is an arithmetic number, because the mean of its divisors is an integer number (6757920).

Almost surely, 2^134444458 is an apocalyptic number.

134444458 is a deficient number, since it is larger than the sum of its proper divisors (81808982).

134444458 is a wasteful number, since it uses less digits than its factorization.

134444458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742.

The product of its digits is 122880, while the sum is 37.

The square root of 134444458 is about 11595.0186718263. The cubic root of 134444458 is about 512.2881399158.

Adding to 134444458 its reverse (854444431), we get a palindrome (988888889).

The spelling of 134444458 in words is "one hundred thirty-four million, four hundred forty-four thousand, four hundred fifty-eight".