134041400220 has 432 divisors, whose sum is σ = 474727327200. Its totient is φ = 28163745792.

The previous prime is 134041400173. The next prime is 134041400249. The reversal of 134041400220 is 22004140431.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 173403754 + ... + 173404526.

It is an arithmetic number, because the mean of its divisors is an integer number (1098905850).

Almost surely, 2^134041400220 is an apocalyptic number.

134041400220 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 134041400220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237363663600).

134041400220 is an abundant number, since it is smaller than the sum of its proper divisors (340685926980).

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

134041400220 is a wasteful number, since it uses less digits than its factorization.

134041400220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174 (or 1152 counting only the distinct ones).

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

Adding to 134041400220 its reverse (22004140431), we get a palindrome (156045540651).

The spelling of 134041400220 in words is "one hundred thirty-four billion, forty-one million, four hundred thousand, two hundred twenty".