30139063875 has 32 divisors (see below), whose sum is σ = 55723786560. Its totient is φ = 16074165600.

The previous prime is 30139063859. The next prime is 30139063891. The reversal of 30139063875 is 57836093103.

30139063875 is a `hidden beast` number, since 3 + 0 + 1 + 3 + 9 + 0 + 638 + 7 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (30139063859) and next prime (30139063891).

It is not a de Polignac number, because 30139063875 - 2⁴ = 30139063859 is a prime.

It is a super-2 number, since 2×30139063875² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 30139063875.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4461672 + ... + 4468421.

It is an arithmetic number, because the mean of its divisors is an integer number (1741368330).

Almost surely, 2^30139063875 is an apocalyptic number.

30139063875 is a deficient number, since it is larger than the sum of its proper divisors (25584722685).

30139063875 is an equidigital number, since it uses as much as digits as its factorization.

30139063875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8930117 (or 8930101 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 30139063875 in words is "thirty billion, one hundred thirty-nine million, sixty-three thousand, eight hundred seventy-five".