360442139 has 2 divisors, whose sum is σ = 360442140. Its totient is φ = 360442138.

The previous prime is 360442127. The next prime is 360442157. The reversal of 360442139 is 931244063.

It is a weak prime.

It is an emirp because it is prime and its reverse (931244063) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 360442139 - 2⁸ = 360441883 is a prime.

It is not a weakly prime, because it can be changed into another prime (360442169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180221069 + 180221070.

It is an arithmetic number, because the mean of its divisors is an integer number (180221070).

Almost surely, 2^360442139 is an apocalyptic number.

360442139 is a deficient number, since it is larger than the sum of its proper divisors (1).

360442139 is an equidigital number, since it uses as much as digits as its factorization.

360442139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 360442139 is about 18985.3137714392. The cubic root of 360442139 is about 711.6697716142.

It can be divided in two parts, 36044 and 2139, that added together give a palindrome (38183).

The spelling of 360442139 in words is "three hundred sixty million, four hundred forty-two thousand, one hundred thirty-nine".