142687071 has 6 divisors (see below), whose sum is σ = 206103560. Its totient is φ = 95124708.

The previous prime is 142687049. The next prime is 142687073. The reversal of 142687071 is 170786241.

142687071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142687071 - 2¹⁴ = 142670687 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 (142687073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7927051 + ... + 7927068.

Almost surely, 2^142687071 is an apocalyptic number.

142687071 is a deficient number, since it is larger than the sum of its proper divisors (63416489).

142687071 is a wasteful number, since it uses less digits than its factorization.

142687071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15854125 (or 15854122 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 142687071 is about 11945.1693583641. The cubic root of 142687071 is about 522.5504278916.

The spelling of 142687071 in words is "one hundred forty-two million, six hundred eighty-seven thousand, seventy-one".