142071920207 has 32 divisors (see below), whose sum is σ = 175466112000. Its totient is φ = 114742371744.

The previous prime is 142071920189. The next prime is 142071920261. The reversal of 142071920207 is 702029170241.

It is not a de Polignac number, because 142071920207 - 2³⁴ = 124892051023 is a prime.

It is a super-2 number, since 2×142071920207² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142071920807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 394169 + ... + 662957.

It is an arithmetic number, because the mean of its divisors is an integer number (5483316000).

Almost surely, 2^142071920207 is an apocalyptic number.

142071920207 is a deficient number, since it is larger than the sum of its proper divisors (33394191793).

142071920207 is an equidigital number, since it uses as much as digits as its factorization.

142071920207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268900 (or 268886 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The spelling of 142071920207 in words is "one hundred forty-two billion, seventy-one million, nine hundred twenty thousand, two hundred seven".