134920240 has 160 divisors (see below), whose sum is σ = 395974656. Its totient is φ = 41610240.

The previous prime is 134920213. The next prime is 134920321. The reversal of 134920240 is 42029431.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312825 + ... + 313255.

Almost surely, 2^134920240 is an apocalyptic number.

134920240 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 134920240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197987328).

134920240 is an abundant number, since it is smaller than the sum of its proper divisors (261054416).

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

134920240 is a wasteful number, since it uses less digits than its factorization.

134920240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 134920240 is about 11615.5172075978. The cubic root of 134920240 is about 512.8917361880.

Adding to 134920240 its reverse (42029431), we get a palindrome (176949671).

The spelling of 134920240 in words is "one hundred thirty-four million, nine hundred twenty thousand, two hundred forty".