134262221250 has 160 divisors (see below), whose sum is σ = 343642749120. Its totient is φ = 34949376000.

The previous prime is 134262221237. The next prime is 134262221251. The reversal of 134262221250 is 52122262431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (134262221251) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 28388886 + ... + 28393614.

It is an arithmetic number, because the mean of its divisors is an integer number (2147767182).

Almost surely, 2^134262221250 is an apocalyptic number.

134262221250 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 134262221250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171821374560).

134262221250 is an abundant number, since it is smaller than the sum of its proper divisors (209380527870).

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

134262221250 is a wasteful number, since it uses less digits than its factorization.

134262221250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934 (or 4919 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 134262221250 its reverse (52122262431), we get a palindrome (186384483681).

The spelling of 134262221250 in words is "one hundred thirty-four billion, two hundred sixty-two million, two hundred twenty-one thousand, two hundred fifty".