134040021204 has 24 divisors (see below), whose sum is σ = 314242330528. Its totient is φ = 44468252640.

The previous prime is 134040021197. The next prime is 134040021211. The reversal of 134040021204 is 402120040431.

It is an interprime number because it is at equal distance from previous prime (134040021197) and next prime (134040021211).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26466667 + ... + 26471730.

Almost surely, 2^134040021204 is an apocalyptic number.

It is an amenable number.

134040021204 is an abundant number, since it is smaller than the sum of its proper divisors (180202309324).

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

134040021204 is a wasteful number, since it uses less digits than its factorization.

134040021204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52938615 (or 52938613 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 134040021204 its reverse (402120040431), we get a palindrome (536160061635).

The spelling of 134040021204 in words is "one hundred thirty-four billion, forty million, twenty-one thousand, two hundred four".