139304663 has 8 divisors (see below), whose sum is σ = 144603840. Its totient is φ = 134102880.

The previous prime is 139304657. The next prime is 139304689. The reversal of 139304663 is 366403931.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139304663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139304623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21428 + ... + 27161.

It is an arithmetic number, because the mean of its divisors is an integer number (18075480).

Almost surely, 2^139304663 is an apocalyptic number.

139304663 is a deficient number, since it is larger than the sum of its proper divisors (5299177).

139304663 is an equidigital number, since it uses as much as digits as its factorization.

139304663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48697.

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 139304663 is about 11802.7396395922. The cubic root of 139304663 is about 518.3883322590.

The spelling of 139304663 in words is "one hundred thirty-nine million, three hundred four thousand, six hundred sixty-three".