134003221400 has 48 divisors (see below), whose sum is σ = 311758059600. Its totient is φ = 53566782080.

The previous prime is 134003221393. The next prime is 134003221403. The reversal of 134003221400 is 4122300431.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134003221403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96914 + ... + 526686.

It is an arithmetic number, because the mean of its divisors is an integer number (6494959575).

Almost surely, 2^134003221400 is an apocalyptic number.

134003221400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134003221400 is an abundant number, since it is smaller than the sum of its proper divisors (177754838200).

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

134003221400 is a wasteful number, since it uses less digits than its factorization.

134003221400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431348 (or 431339 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 134003221400 its reverse (4122300431), we get a palindrome (138125521831).

The spelling of 134003221400 in words is "one hundred thirty-four billion, three million, two hundred twenty-one thousand, four hundred".