142071701775 has 24 divisors (see below), whose sum is σ = 234909329424. Its totient is φ = 75765945600.

The previous prime is 142071701773. The next prime is 142071701789. The reversal of 142071701775 is 577107170241.

It is a Cunningham number, because it is equal to 376924²-1.

It is not a de Polignac number, because 142071701775 - 2¹ = 142071701773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142071701773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1067955 + ... + 1193595.

It is an arithmetic number, because the mean of its divisors is an integer number (9787888726).

Almost surely, 2^142071701775 is an apocalyptic number.

142071701775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142071701775 is a deficient number, since it is larger than the sum of its proper divisors (92837627649).

142071701775 is a wasteful number, since it uses less digits than its factorization.

142071701775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140731 (or 140726 counting only the distinct ones).

The product of its (nonzero) digits is 96040, while the sum is 42.

The spelling of 142071701775 in words is "one hundred forty-two billion, seventy-one million, seven hundred one thousand, seven hundred seventy-five".