134444457 has 24 divisors (see below), whose sum is σ = 222295424. Its totient is φ = 76702464.

The previous prime is 134444441. The next prime is 134444459. The reversal of 134444457 is 754444431.

It is not a de Polignac number, because 134444457 - 2⁴ = 134444441 is a prime.

It is a Duffinian number.

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 23 ways as a sum of consecutive naturals, for example, 50553 + ... + 53145.

Almost surely, 2^134444457 is an apocalyptic number.

It is an amenable number.

134444457 is a deficient number, since it is larger than the sum of its proper divisors (87850967).

134444457 is a wasteful number, since it uses less digits than its factorization.

134444457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3429 (or 3426 counting only the distinct ones).

The product of its digits is 107520, while the sum is 36.

The square root of 134444457 is about 11595.0186287043. The cubic root of 134444457 is about 512.2881386457.

Adding to 134444457 its reverse (754444431), we get a palindrome (888888888).

The spelling of 134444457 in words is "one hundred thirty-four million, four hundred forty-four thousand, four hundred fifty-seven".