134020146 has 64 divisors (see below), whose sum is σ = 311568768. Its totient is φ = 38059008.

The previous prime is 134020123. The next prime is 134020151. The reversal of 134020146 is 641020431.

It is a super-2 number, since 2×134020146² = 35922799067722632, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69325 + ... + 71231.

It is an arithmetic number, because the mean of its divisors is an integer number (4868262).

Almost surely, 2^134020146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134020146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155784384).

134020146 is an abundant number, since it is smaller than the sum of its proper divisors (177548622).

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

134020146 is a wasteful number, since it uses less digits than its factorization.

134020146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 134020146 is about 11576.7070447515. The cubic root of 134020146 is about 511.7486381112.

Adding to 134020146 its reverse (641020431), we get a palindrome (775040577).

The spelling of 134020146 in words is "one hundred thirty-four million, twenty thousand, one hundred forty-six".