134121042 has 128 divisors (see below), whose sum is σ = 342144000. Its totient is φ = 38586240.

The previous prime is 134121011. The next prime is 134121061. The reversal of 134121042 is 240121431.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1506934 + ... + 1507022.

It is an arithmetic number, because the mean of its divisors is an integer number (2673000).

Almost surely, 2^134121042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134121042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171072000).

134121042 is an abundant number, since it is smaller than the sum of its proper divisors (208022958).

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

134121042 is a wasteful number, since it uses less digits than its factorization.

134121042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 207 counting only the distinct ones).

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

The square root of 134121042 is about 11581.0639407612. The cubic root of 134121042 is about 511.8770278603.

Adding to 134121042 its reverse (240121431), we get a palindrome (374242473).

The spelling of 134121042 in words is "one hundred thirty-four million, one hundred twenty-one thousand, forty-two".