1025135343242 has 8 divisors (see below), whose sum is σ = 1537707310500. Its totient is φ = 512566239744.

The previous prime is 1025135343223. The next prime is 1025135343247. The reversal of 1025135343242 is 2423435315201.

It can be written as a sum of positive squares in 2 ways, for example, as 846232568281 + 178902774961 = 919909^2 + 422969^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1025135343247) 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, 1071434 + ... + 1788362.

Almost surely, 2^{1025135343242} is an apocalyptic number.

1025135343242 is a deficient number, since it is larger than the sum of its proper divisors (512571967258).

1025135343242 is an equidigital number, since it uses as much as digits as its factorization.

1025135343242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431880.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 1025135343242 in words is "one trillion, twenty-five billion, one hundred thirty-five million, three hundred forty-three thousand, two hundred forty-two".