134494240 has 24 divisors (see below), whose sum is σ = 317743020. Its totient is φ = 53797632.

The previous prime is 134494201. The next prime is 134494247. The reversal of 134494240 is 42494431.

It can be written as a sum of positive squares in 2 ways, for example, as 125708944 + 8785296 = 11212^2 + 2964^2 .

It is not an unprimeable number, because it can be changed into a prime (134494247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420135 + ... + 420454.

Almost surely, 2^134494240 is an apocalyptic number.

134494240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134494240 is an abundant number, since it is smaller than the sum of its proper divisors (183248780).

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

134494240 is an equidigital number, since it uses as much as digits as its factorization.

134494240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840604 (or 840596 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 134494240 is about 11597.1651708510. The cubic root of 134494240 is about 512.3513620114.

It can be divided in two parts, 13449 and 4240, that added together give a square (17689 = 133²).

The spelling of 134494240 in words is "one hundred thirty-four million, four hundred ninety-four thousand, two hundred forty".