134113120400 has 120 divisors (see below), whose sum is σ = 371615471040. Its totient is φ = 45559687680.

The previous prime is 134113120391. The next prime is 134113120423. The reversal of 134113120400 is 4021311431.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85487 + ... + 524913.

It is an arithmetic number, because the mean of its divisors is an integer number (3096795592).

Almost surely, 2^134113120400 is an apocalyptic number.

134113120400 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 134113120400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185807735520).

134113120400 is an abundant number, since it is smaller than the sum of its proper divisors (237502350640).

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

134113120400 is a wasteful number, since it uses less digits than its factorization.

134113120400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439561 (or 439550 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 134113120400 its reverse (4021311431), we get a palindrome (138134431831).

The spelling of 134113120400 in words is "one hundred thirty-four billion, one hundred thirteen million, one hundred twenty thousand, four hundred".