139382462 has 4 divisors (see below), whose sum is σ = 209073696. Its totient is φ = 69691230.

The previous prime is 139382429. The next prime is 139382471. The reversal of 139382462 is 264283931.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34845614 + ... + 34845617.

It is an arithmetic number, because the mean of its divisors is an integer number (52268424).

Almost surely, 2^139382462 is an apocalyptic number.

139382462 is a deficient number, since it is larger than the sum of its proper divisors (69691234).

139382462 is an equidigital number, since it uses as much as digits as its factorization.

139382462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69691233.

The product of its digits is 62208, while the sum is 38.

The square root of 139382462 is about 11806.0349821606. The cubic root of 139382462 is about 518.4848176349.

The spelling of 139382462 in words is "one hundred thirty-nine million, three hundred eighty-two thousand, four hundred sixty-two".