134187912222 has 128 divisors (see below), whose sum is σ = 335501623296. Its totient is φ = 34836953472.

The previous prime is 134187912211. The next prime is 134187912241. The reversal of 134187912222 is 222219781431.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12819763 + ... + 12830225.

It is an arithmetic number, because the mean of its divisors is an integer number (2621106432).

Almost surely, 2^134187912222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134187912222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167750811648).

134187912222 is an abundant number, since it is smaller than the sum of its proper divisors (201313711074).

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

134187912222 is a wasteful number, since it uses less digits than its factorization.

134187912222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10854.

The product of its digits is 96768, while the sum is 42.

The spelling of 134187912222 in words is "one hundred thirty-four billion, one hundred eighty-seven million, nine hundred twelve thousand, two hundred twenty-two".