139862 has 4 divisors (see below), whose sum is σ = 209796. Its totient is φ = 69930.

The previous prime is 139861. The next prime is 139871. The reversal of 139862 is 268931.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×139862² = 39122758088, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 139862.

It is not an unprimeable number, because it can be changed into a prime (139861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34964 + ... + 34967.

It is an arithmetic number, because the mean of its divisors is an integer number (52449).

2¹³⁹⁸⁶² is an apocalyptic number.

139862 is a deficient number, since it is larger than the sum of its proper divisors (69934).

139862 is an equidigital number, since it uses as much as digits as its factorization.

139862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69933.

The product of its digits is 2592, while the sum is 29.

The square root of 139862 is about 373.9812829541. The cubic root of 139862 is about 51.9078743576.

It can be divided in two parts, 13986 and 2, that multiplied together give a palindrome (27972).

The spelling of 139862 in words is "one hundred thirty-nine thousand, eight hundred sixty-two".