364139 has 4 divisors (see below), whose sum is σ = 365400. Its totient is φ = 362880.

The previous prime is 364129. The next prime is 364141. The reversal of 364139 is 931463.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-364139 is a prime.

It is a super-2 number, since 2×364139² = 265194422642, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 364139.

It is not an unprimeable number, because it can be changed into a prime (364129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44 + ... + 854.

It is an arithmetic number, because the mean of its divisors is an integer number (91350).

2³⁶⁴¹³⁹ is an apocalyptic number.

364139 is a deficient number, since it is larger than the sum of its proper divisors (1261).

364139 is an equidigital number, since it uses as much as digits as its factorization.

364139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260.

The product of its digits is 1944, while the sum is 26.

The square root of 364139 is about 603.4393092930. The cubic root of 364139 is about 71.4094571712.

The spelling of 364139 in words is "three hundred sixty-four thousand, one hundred thirty-nine".