134502440 has 32 divisors (see below), whose sum is σ = 303345000. Its totient is φ = 53673984.

The previous prime is 134502383. The next prime is 134502451. The reversal of 134502440 is 44205431.

134502440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 113507716 + 20994724 = 10654^2 + 4582^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14216 + ... + 21704.

Almost surely, 2^134502440 is an apocalyptic number.

134502440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134502440 is an abundant number, since it is smaller than the sum of its proper divisors (168842560).

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

134502440 is a wasteful number, since it uses less digits than its factorization.

134502440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7949 (or 7945 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 134502440 is about 11597.5187001358. The cubic root of 134502440 is about 512.3617743428.

Adding to 134502440 its reverse (44205431), we get a palindrome (178707871).

The spelling of 134502440 in words is "one hundred thirty-four million, five hundred two thousand, four hundred forty".