139333465 has 8 divisors (see below), whose sum is σ = 167619528. Its totient is φ = 111187200.

The previous prime is 139333433. The next prime is 139333489. The reversal of 139333465 is 564333931.

It can be written as a sum of positive squares in 4 ways, for example, as 97239321 + 42094144 = 9861^2 + 6488^2 .

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

It is not a de Polignac number, because 139333465 - 2⁵ = 139333433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 32742 + ... + 36751.

It is an arithmetic number, because the mean of its divisors is an integer number (20952441).

Almost surely, 2^139333465 is an apocalyptic number.

It is an amenable number.

139333465 is a deficient number, since it is larger than the sum of its proper divisors (28286063).

139333465 is an equidigital number, since it uses as much as digits as its factorization.

139333465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69899.

The product of its digits is 87480, while the sum is 37.

The square root of 139333465 is about 11803.9597169763. The cubic root of 139333465 is about 518.4240563369.

The spelling of 139333465 in words is "one hundred thirty-nine million, three hundred thirty-three thousand, four hundred sixty-five".