13978130501 has 4 divisors (see below), whose sum is σ = 14713821600. Its totient is φ = 13242439404.

The previous prime is 13978130497. The next prime is 13978130527. The reversal of 13978130501 is 10503187931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13978130501 - 2² = 13978130497 is a prime.

It is a super-3 number, since 3×13978130501³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13978130591) 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 3 ways as a sum of consecutive naturals, for example, 367845521 + ... + 367845558.

It is an arithmetic number, because the mean of its divisors is an integer number (3678455400).

Almost surely, 2^13978130501 is an apocalyptic number.

It is an amenable number.

13978130501 is a deficient number, since it is larger than the sum of its proper divisors (735691099).

13978130501 is an equidigital number, since it uses as much as digits as its factorization.

13978130501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735691098.

The product of its (nonzero) digits is 22680, while the sum is 38.

The spelling of 13978130501 in words is "thirteen billion, nine hundred seventy-eight million, one hundred thirty thousand, five hundred one".