1639130054 has 8 divisors (see below), whose sum is σ = 2543477760. Its totient is φ = 791304136.

The previous prime is 1639130047. The next prime is 1639130063. The reversal of 1639130054 is 4500319361.

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

It is a super-4 number, since 4×1639130054⁴ (a number of 38 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1639130054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14130374 + ... + 14130489.

It is an arithmetic number, because the mean of its divisors is an integer number (317934720).

Almost surely, 2^1639130054 is an apocalyptic number.

1639130054 is a deficient number, since it is larger than the sum of its proper divisors (904347706).

1639130054 is a wasteful number, since it uses less digits than its factorization.

1639130054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28260894.

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

The square root of 1639130054 is about 40486.1711452195. The cubic root of 1639130054 is about 1179.0651539499.

The spelling of 1639130054 in words is "one billion, six hundred thirty-nine million, one hundred thirty thousand, fifty-four".