134121222 has 12 divisors (see below), whose sum is σ = 290596020. Its totient is φ = 44707068.

The previous prime is 134121199. The next prime is 134121227. The reversal of 134121222 is 222121431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 7451179 = 134121222 / (1 + 3 + 4 + 1 + 2 + 1 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 134121195 and 134121204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134121227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3725572 + ... + 3725607.

It is an arithmetic number, because the mean of its divisors is an integer number (24216335).

Almost surely, 2^134121222 is an apocalyptic number.

134121222 is an abundant number, since it is smaller than the sum of its proper divisors (156474798).

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

134121222 is a wasteful number, since it uses less digits than its factorization.

134121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7451187 (or 7451184 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 134121222 is about 11581.0717120653. The cubic root of 134121222 is about 511.8772568520.

Adding to 134121222 its reverse (222121431), we get a palindrome (356242653).

The spelling of 134121222 in words is "one hundred thirty-four million, one hundred twenty-one thousand, two hundred twenty-two".