134820040 has 16 divisors (see below), whose sum is σ = 303345180. Its totient is φ = 53928000.

The previous prime is 134820031. The next prime is 134820073. The reversal of 134820040 is 40028431.

It can be written as a sum of positive squares in 2 ways, for example, as 128459556 + 6360484 = 11334^2 + 2522^2 .

It is a junction number, because it is equal to n+sod(n) for n = 134819993 and 134820020.

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, 1685211 + ... + 1685290.

Almost surely, 2^134820040 is an apocalyptic number.

134820040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134820040 is an abundant number, since it is smaller than the sum of its proper divisors (168525140).

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

134820040 is a wasteful number, since it uses less digits than its factorization.

134820040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370512 (or 3370508 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 134820040 is about 11611.2032106927. The cubic root of 134820040 is about 512.7647365141.

Adding to 134820040 its reverse (40028431), we get a palindrome (174848471).

The spelling of 134820040 in words is "one hundred thirty-four million, eight hundred twenty thousand, forty".