134230140 has 108 divisors (see below), whose sum is σ = 447617352. Its totient is φ = 32535360.

The previous prime is 134230127. The next prime is 134230141. The reversal of 134230140 is 41032431.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134230141) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18699 + ... + 24861.

Almost surely, 2^134230140 is an apocalyptic number.

134230140 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 134230140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223808676).

134230140 is an abundant number, since it is smaller than the sum of its proper divisors (313387212).

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

134230140 is a wasteful number, since it uses less digits than its factorization.

134230140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6200 (or 6184 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 134230140 is about 11585.7731723006. The cubic root of 134230140 is about 512.0157821877.

Adding to 134230140 its reverse (41032431), we get a palindrome (175262571).

It can be divided in two parts, 1342301 and 40, that added together give a triangular number (1342341 = T₁₆₃₈).

The spelling of 134230140 in words is "one hundred thirty-four million, two hundred thirty thousand, one hundred forty".