134431000 has 128 divisors (see below), whose sum is σ = 349427520. Its totient is φ = 48400000.

The previous prime is 134430997. The next prime is 134431001. The reversal of 134431000 is 134431.

It is a super-2 number, since 2×134431000² = 36143387522000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134431001) 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 in 31 ways as a sum of consecutive naturals, for example, 1330950 + ... + 1331050.

Almost surely, 2^134431000 is an apocalyptic number.

134431000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134431000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174713760).

134431000 is an abundant number, since it is smaller than the sum of its proper divisors (214996520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134431000 is a wasteful number, since it uses less digits than its factorization.

134431000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 134431000 is about 11594.4383218852. The cubic root of 134431000 is about 512.2710458584.

Adding to 134431000 its reverse (134431), we get a palindrome (134565431).

134431000 divided by its reverse (134431) gives a cube (1000 = 10³).

It can be divided in two parts, 134 and 431000, that added together give a palindrome (431134).

The spelling of 134431000 in words is "one hundred thirty-four million, four hundred thirty-one thousand".