36142839 has 12 divisors (see below), whose sum is σ = 52269672. Its totient is φ = 24066000.

The previous prime is 36142831. The next prime is 36142877. The reversal of 36142839 is 93824163.

36142839 is a `hidden beast` number, since 3 + 614 + 2 + 8 + 39 = 666.

It is not a de Polignac number, because 36142839 - 2³ = 36142831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36142831) 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, 7549 + ... + 11369.

It is an arithmetic number, because the mean of its divisors is an integer number (4355806).

Almost surely, 2^36142839 is an apocalyptic number.

36142839 is a deficient number, since it is larger than the sum of its proper divisors (16126833).

36142839 is a wasteful number, since it uses less digits than its factorization.

36142839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4878 (or 4875 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 36142839 is about 6011.8914660862. The cubic root of 36142839 is about 330.6288559721.

The spelling of 36142839 in words is "thirty-six million, one hundred forty-two thousand, eight hundred thirty-nine".