134400440013 has 32 divisors (see below), whose sum is σ = 206308776960. Its totient is φ = 76236232320.

The previous prime is 134400440003. The next prime is 134400440017. The reversal of 134400440013 is 310044004431.

It is not a de Polignac number, because 134400440013 - 2⁴ = 134400439997 is a prime.

It is a super-2 number, since 2×134400440013² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134400440017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2115081 + ... + 2177697.

It is an arithmetic number, because the mean of its divisors is an integer number (6447149280).

Almost surely, 2^134400440013 is an apocalyptic number.

It is an amenable number.

134400440013 is a deficient number, since it is larger than the sum of its proper divisors (71908336947).

134400440013 is a wasteful number, since it uses less digits than its factorization.

134400440013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63377.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 134400440013 its reverse (310044004431), we get a palindrome (444444444444).

The spelling of 134400440013 in words is "one hundred thirty-four billion, four hundred million, four hundred forty thousand, thirteen".