142041013 has 2 divisors, whose sum is σ = 142041014. Its totient is φ = 142041012.

The previous prime is 142040989. The next prime is 142041023. The reversal of 142041013 is 310140241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131400369 + 10640644 = 11463^2 + 3262^2 .

It is an emirp because it is prime and its reverse (310140241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142041013 - 2⁹ = 142040501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142041023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71020506 + 71020507.

It is an arithmetic number, because the mean of its divisors is an integer number (71020507).

Almost surely, 2^142041013 is an apocalyptic number.

It is an amenable number.

142041013 is a deficient number, since it is larger than the sum of its proper divisors (1).

142041013 is an equidigital number, since it uses as much as digits as its factorization.

142041013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 142041013 is about 11918.0960308264. The cubic root of 142041013 is about 521.7605672725.

Adding to 142041013 its reverse (310140241), we get a palindrome (452181254).

The spelling of 142041013 in words is "one hundred forty-two million, forty-one thousand, thirteen".