134042240 has 32 divisors (see below), whose sum is σ = 320446260. Its totient is φ = 53616640.

The previous prime is 134042203. The next prime is 134042257. The reversal of 134042240 is 42240431.

It can be written as a sum of positive squares in 2 ways, for example, as 130325056 + 3717184 = 11416^2 + 1928^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104081 + ... + 105360.

Almost surely, 2^134042240 is an apocalyptic number.

134042240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134042240 is an abundant number, since it is smaller than the sum of its proper divisors (186404020).

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

134042240 is an equidigital number, since it uses as much as digits as its factorization.

134042240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209460 (or 209448 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 134042240 is about 11577.6612491470. The cubic root of 134042240 is about 511.7767581452.

Adding to 134042240 its reverse (42240431), we get a palindrome (176282671).

The spelling of 134042240 in words is "one hundred thirty-four million, forty-two thousand, two hundred forty".