13134402450 has 384 divisors, whose sum is σ = 40609900800. Its totient is φ = 3100446720.

The previous prime is 13134402427. The next prime is 13134402509. The reversal of 13134402450 is 5420443131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 73376461 + ... + 73376639.

It is an arithmetic number, because the mean of its divisors is an integer number (105754950).

Almost surely, 2^13134402450 is an apocalyptic number.

13134402450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13134402450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20304950400).

13134402450 is an abundant number, since it is smaller than the sum of its proper divisors (27475498350).

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

13134402450 is a wasteful number, since it uses less digits than its factorization.

13134402450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 13134402450 its reverse (5420443131), we get a palindrome (18554845581).

The spelling of 13134402450 in words is "thirteen billion, one hundred thirty-four million, four hundred two thousand, four hundred fifty".