134320040 has 16 divisors (see below), whose sum is σ = 302220180. Its totient is φ = 53728000.

The previous prime is 134320033. The next prime is 134320057. The reversal of 134320040 is 40023431.

It can be written as a sum of positive squares in 2 ways, for example, as 128278276 + 6041764 = 11326^2 + 2458^2 .

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, 1678961 + ... + 1679040.

Almost surely, 2^134320040 is an apocalyptic number.

134320040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134320040 is an abundant number, since it is smaller than the sum of its proper divisors (167900140).

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

134320040 is a wasteful number, since it uses less digits than its factorization.

134320040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3358012 (or 3358008 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 134320040 is about 11589.6522812378. The cubic root of 134320040 is about 512.1300633927.

Adding to 134320040 its reverse (40023431), we get a palindrome (174343471).

The spelling of 134320040 in words is "one hundred thirty-four million, three hundred twenty thousand, forty".