134440780040 has 32 divisors (see below), whose sum is σ = 345704863680. Its totient is φ = 46093981632.

The previous prime is 134440780027. The next prime is 134440780049. The reversal of 134440780040 is 40087044431.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (134440780049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240072542 + ... + 240073101.

It is an arithmetic number, because the mean of its divisors is an integer number (10803276990).

Almost surely, 2^134440780040 is an apocalyptic number.

134440780040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134440780040 is an abundant number, since it is smaller than the sum of its proper divisors (211264083640).

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

134440780040 is a wasteful number, since it uses less digits than its factorization.

134440780040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480145661 (or 480145657 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The spelling of 134440780040 in words is "one hundred thirty-four billion, four hundred forty million, seven hundred eighty thousand, forty".