142386069 has 16 divisors (see below), whose sum is σ = 223969280. Its totient is φ = 78738480.

The previous prime is 142386061. The next prime is 142386109. The reversal of 142386069 is 960683241.

142386069 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 142386069 - 2³ = 142386061 is a prime.

It is a super-2 number, since 2×142386069² = 40547585290545522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142386061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108709 + ... + 110010.

It is an arithmetic number, because the mean of its divisors is an integer number (13998080).

Almost surely, 2^142386069 is an apocalyptic number.

It is an amenable number.

142386069 is a deficient number, since it is larger than the sum of its proper divisors (81583211).

142386069 is a wasteful number, since it uses less digits than its factorization.

142386069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218760.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 142386069 is about 11932.5633876380. The cubic root of 142386069 is about 522.1827247444.

The spelling of 142386069 in words is "one hundred forty-two million, three hundred eighty-six thousand, sixty-nine".