134201142 has 48 divisors (see below), whose sum is σ = 309582000. Its totient is φ = 41893632.

The previous prime is 134201131. The next prime is 134201153. The reversal of 134201142 is 241102431.

It is an interprime number because it is at equal distance from previous prime (134201131) and next prime (134201153).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28234 + ... + 32642.

It is an arithmetic number, because the mean of its divisors is an integer number (6449625).

Almost surely, 2^134201142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134201142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154791000).

134201142 is an abundant number, since it is smaller than the sum of its proper divisors (175380858).

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

134201142 is a wasteful number, since it uses less digits than its factorization.

134201142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4525 (or 4522 counting only the distinct ones).

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

The square root of 134201142 is about 11584.5216560720. The cubic root of 134201142 is about 511.9789089416.

Adding to 134201142 its reverse (241102431), we get a palindrome (375303573).

The spelling of 134201142 in words is "one hundred thirty-four million, two hundred one thousand, one hundred forty-two".