139321462 has 16 divisors (see below), whose sum is σ = 244392192. Its totient is φ = 58320360.

The previous prime is 139321459. The next prime is 139321463. The reversal of 139321462 is 264123931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139321463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115114 + ... + 116317.

It is an arithmetic number, because the mean of its divisors is an integer number (15274512).

Almost surely, 2^139321462 is an apocalyptic number.

139321462 is a deficient number, since it is larger than the sum of its proper divisors (105070730).

139321462 is a wasteful number, since it uses less digits than its factorization.

139321462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231483.

The product of its digits is 7776, while the sum is 31.

The square root of 139321462 is about 11803.4512749450. The cubic root of 139321462 is about 518.4091692154.

The spelling of 139321462 in words is "one hundred thirty-nine million, three hundred twenty-one thousand, four hundred sixty-two".