142660071 has 12 divisors (see below), whose sum is σ = 206168872. Its totient is φ = 95058576.

The previous prime is 142660069. The next prime is 142660081. The reversal of 142660071 is 170066241.

It is not a de Polignac number, because 142660071 - 2¹ = 142660069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142660061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29400 + ... + 33906.

Almost surely, 2^142660071 is an apocalyptic number.

142660071 is a deficient number, since it is larger than the sum of its proper divisors (63508801).

142660071 is a wasteful number, since it uses less digits than its factorization.

142660071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8030 (or 8027 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 142660071 is about 11944.0391409272. The cubic root of 142660071 is about 522.5174658966.

The spelling of 142660071 in words is "one hundred forty-two million, six hundred sixty thousand, seventy-one".