139321562 has 8 divisors (see below), whose sum is σ = 221275476. Its totient is φ = 65563072.

The previous prime is 139321561. The next prime is 139321601. The reversal of 139321562 is 265123931.

It can be written as a sum of positive squares in 2 ways, for example, as 135932281 + 3389281 = 11659^2 + 1841^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (139321561) 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 3 ways as a sum of consecutive naturals, for example, 2048813 + ... + 2048880.

Almost surely, 2^139321562 is an apocalyptic number.

139321562 is a deficient number, since it is larger than the sum of its proper divisors (81953914).

139321562 is a wasteful number, since it uses less digits than its factorization.

139321562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4097712.

The product of its digits is 9720, while the sum is 32.

The square root of 139321562 is about 11803.4555109934. The cubic root of 139321562 is about 518.4092932473.

The spelling of 139321562 in words is "one hundred thirty-nine million, three hundred twenty-one thousand, five hundred sixty-two".