142253649313 has 2 divisors, whose sum is σ = 142253649314. Its totient is φ = 142253649312.

The previous prime is 142253649281. The next prime is 142253649319. The reversal of 142253649313 is 313946352241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136802337424 + 5451311889 = 369868^2 + 73833^2 .

It is a cyclic number.

It is not a de Polignac number, because 142253649313 - 2⁵ = 142253649281 is a prime.

It is a super-2 number, since 2×142253649313² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142253649313.

It is not a weakly prime, because it can be changed into another prime (142253649319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71126824656 + 71126824657.

It is an arithmetic number, because the mean of its divisors is an integer number (71126824657).

Almost surely, 2^142253649313 is an apocalyptic number.

It is an amenable number.

142253649313 is a deficient number, since it is larger than the sum of its proper divisors (1).

142253649313 is an equidigital number, since it uses as much as digits as its factorization.

142253649313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 43.

The spelling of 142253649313 in words is "one hundred forty-two billion, two hundred fifty-three million, six hundred forty-nine thousand, three hundred thirteen".