139104623 has 8 divisors (see below), whose sum is σ = 159266592. Its totient is φ = 119015136.

The previous prime is 139104617. The next prime is 139104653. The reversal of 139104623 is 326401931.

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

It is a cyclic number.

It is not a de Polignac number, because 139104623 - 2⁸ = 139104367 is a prime.

It is a super-2 number, since 2×139104623² = 38700192279944258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139104653) 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, 13940 + ... + 21737.

It is an arithmetic number, because the mean of its divisors is an integer number (19908324).

Almost surely, 2^139104623 is an apocalyptic number.

139104623 is a deficient number, since it is larger than the sum of its proper divisors (20161969).

139104623 is an equidigital number, since it uses as much as digits as its factorization.

139104623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36241.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 139104623 is about 11794.2622914704. The cubic root of 139104623 is about 518.1400800326.

The spelling of 139104623 in words is "one hundred thirty-nine million, one hundred four thousand, six hundred twenty-three".