134042040 has 160 divisors (see below), whose sum is σ = 491618160. Its totient is φ = 32486400.

The previous prime is 134042021. The next prime is 134042057. The reversal of 134042040 is 40240431.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 33760 + ... + 37520.

Almost surely, 2^134042040 is an apocalyptic number.

134042040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134042040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245809080).

134042040 is an abundant number, since it is smaller than the sum of its proper divisors (357576120).

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

134042040 is a wasteful number, since it uses less digits than its factorization.

134042040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795 (or 3782 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 134042040 is about 11577.6526118208. The cubic root of 134042040 is about 511.7765036100.

Adding to 134042040 its reverse (40240431), we get a palindrome (174282471).

The spelling of 134042040 in words is "one hundred thirty-four million, forty-two thousand, forty".