130278001625 has 16 divisors (see below), whose sum is σ = 166046250240. Its totient is φ = 102004898800.

The previous prime is 130278001577. The next prime is 130278001649. The reversal of 130278001625 is 526100872031.

It is a happy number.

It is not a de Polignac number, because 130278001625 - 2²⁶ = 130210892761 is a prime.

It is a super-3 number, since 3×130278001625³ (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11081615 + ... + 11093364.

It is an arithmetic number, because the mean of its divisors is an integer number (10377890640).

Almost surely, 2^130278001625 is an apocalyptic number.

It is an amenable number.

130278001625 is a deficient number, since it is larger than the sum of its proper divisors (35768248615).

130278001625 is an equidigital number, since it uses as much as digits as its factorization.

130278001625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22175041 (or 22175031 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

Adding to 130278001625 its reverse (526100872031), we get a palindrome (656378873656).

The spelling of 130278001625 in words is "one hundred thirty billion, two hundred seventy-eight million, one thousand, six hundred twenty-five".