134142441 has 4 divisors (see below), whose sum is σ = 178856592. Its totient is φ = 89428292.

The previous prime is 134142439. The next prime is 134142457. The reversal of 134142441 is 144241431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 144241431 = 3 ⋅48080477.

It is a cyclic number.

It is not a de Polignac number, because 134142441 - 2¹ = 134142439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134142941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22357071 + ... + 22357076.

It is an arithmetic number, because the mean of its divisors is an integer number (44714148).

Almost surely, 2^134142441 is an apocalyptic number.

It is an amenable number.

134142441 is a deficient number, since it is larger than the sum of its proper divisors (44714151).

134142441 is an equidigital number, since it uses as much as digits as its factorization.

134142441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44714150.

The product of its digits is 1536, while the sum is 24.

The square root of 134142441 is about 11581.9877827599. The cubic root of 134142441 is about 511.9042497236.

Adding to 134142441 its reverse (144241431), we get a palindrome (278383872).

The spelling of 134142441 in words is "one hundred thirty-four million, one hundred forty-two thousand, four hundred forty-one".