142134653 has 2 divisors, whose sum is σ = 142134654. Its totient is φ = 142134652.

The previous prime is 142134631. The next prime is 142134683. The reversal of 142134653 is 356431241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134142724 + 7991929 = 11582^2 + 2827^2 .

It is a cyclic number.

It is not a de Polignac number, because 142134653 - 2⁸ = 142134397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142134613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71067326 + 71067327.

It is an arithmetic number, because the mean of its divisors is an integer number (71067327).

Almost surely, 2^142134653 is an apocalyptic number.

It is an amenable number.

142134653 is a deficient number, since it is larger than the sum of its proper divisors (1).

142134653 is an equidigital number, since it uses as much as digits as its factorization.

142134653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 142134653 is about 11922.0238634218. The cubic root of 142134653 is about 521.8751983123.

Adding to 142134653 its reverse (356431241), we get a palindrome (498565894).

The spelling of 142134653 in words is "one hundred forty-two million, one hundred thirty-four thousand, six hundred fifty-three".