142013407 has 2 divisors, whose sum is σ = 142013408. Its totient is φ = 142013406.

The previous prime is 142013371. The next prime is 142013423. The reversal of 142013407 is 704310241.

It is a strong prime.

It is an emirp because it is prime and its reverse (704310241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142013407 - 2⁷ = 142013279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142013107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71006703 + 71006704.

It is an arithmetic number, because the mean of its divisors is an integer number (71006704).

Almost surely, 2^142013407 is an apocalyptic number.

142013407 is a deficient number, since it is larger than the sum of its proper divisors (1).

142013407 is an equidigital number, since it uses as much as digits as its factorization.

142013407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 142013407 is about 11916.9378197589. The cubic root of 142013407 is about 521.7267632907.

Adding to 142013407 its reverse (704310241), we get a palindrome (846323648).

The spelling of 142013407 in words is "one hundred forty-two million, thirteen thousand, four hundred seven".